Scene: A quaint, cozy living room in the Altman household. The furniture is well-loved, with a smattering of toys in one corner and family photos on the mantelpiece. Sunlight filters through the curtains, casting a warm, peaceful glow. Nayuta is sitting on the floor, playing with blocks, while Paul is slouched on the sofa, a book resting on his knees. Liam is at his work desk, tinkering with something technical, and Eleanor is in the kitchen but within view, humming as she prepares lunch. The doorbell rings, shattering the tranquil Saturday morning atmosphere. LIAM: (Standing up to answer the door) I'll get it. Probably just the mail. LIAM opens the door to reveal a rugged, older man--KISHIBE. KISHIBE's presence is solemn, and his eyes carry a weight that seems out of place in the Altman home. LIAM: Can I help you? KISHIBE: Liam Altman? My name is Kishibe. We need to talk about your daughter. ELEANOR: (Peering from the kitchen) What's this about our daughter? KISHIBE: Not here, in front of the kids. It's urgent and private. PAUL: (Perking up with curiosity) Who's that, dad? LIAM: (With a reassuring smile) It's alright, Paul. You and Nayuta keep playing. Mr. Kishibe, please come in. KISHIBE steps inside, and LIAM leads him to the dining room away from Nayuta and Paul. KISHIBE: I've been searching for Nayuta for a long time. Believe it or not, she's... special. ELEANOR: (Joining them) Special? How so? KISHIBE: She is the reincarnation of the Control Devil, a being that can manipulate people's desires. LIAM: (Aghast) A devil? Are you serious? KISHIBE: Painfully so. But she's also just a child. She forms bonds, and those who she bonds with can become infatuated, obsessed even... due to her nature. ELEANOR: That's absurd! Nayuta is a sweet, normal girl. She couldn't hurt a fly. KISHIBE: (Sighing with the weight of his knowledge) I wish it were that simple. The Control Devil is powerful. It's in her nature to monopolize the attention of those she bonds with--without even realizing it. LIAM: And what? You're here to... what, take her away from her family? KISHIBE: No. I'm here to warn you and to help you understand what you might face. Meanwhile, in the living room, Nayuta stops playing and looks toward the dining room, sensing the tension. Paul notices the shift in her demeanor. PAUL: (Gently) What's wrong, Nayu? Did the loud talk scare you? NAYUTA: (Quietly) Paul, will you always be my brother? Even if I'm... different? PAUL: (Hugging her) Of course, Nayu. Nothing's gonna change that. Ever. The camera pulls back, leaving the Altman family sequestered in their home-with a looming shadow now cast over their lives. They hold onto one another, bound by love and an uncertain future, as they stand in the threshold of a world more complex and daunting than they had ever imagined.

Exterior: The Altman family backyard, mid-afternoon. PAUL is practicing rugby maneuvers, while NAYUTA reads a book from a perch on the treehouse ladder, seemingly engrossed in her study but also keeping an eye on Paul. PAUL: (Voicing his frustration) Can you not watch me for just one second? It's creepy, Nayu! NAYUTA: (Without looking up) I'm not watching you, Paul. I'm ensuring your safety. There are always devils around, and as your sister, it's my duty to protect you. PAUL: I don't need protection! And stop scaring off my friends with your... your weirdness! NAYUTA: (Smugly) Weirdness? You mean intelligence and care? Our parents do appreciate someone who takes responsibility, unlike others who obsess over trivial games with a ball. PAUL: (Angry and feeling challenged) Rugby is not trivial! And stop acting like you're the center of the universe because Mom and Dad tell you you're smart. We're supposed to be family... not some... some experiment you watch over! PAUL forcefully kicks the rugby ball across the yard in frustration, which startles a small group of birds controlled by NAYUTA's invisible force, sending them flying away in a flutter. LIAM: (O.S., from the back door, clapping his hands) Paul! Nayuta! Time to clean up for dinner. Nayuta, 100% on your math exam--again! We're so proud. ELEANOR: (Also from the door, with a loving smile) You two better hurry up, or there won't be any chocolate-covered marshmallow fluff left for dessert! NAYUTA: (Losing all pretense of indifference as she dashes down the ladder) Coming, Mom! PAUL: (Under his breath) Of course, dessert... Scene shifts to the dinner table, where NAYUTA sits across from PAUL, both eating. LIAM and ELEANOR watch their children with fondness. The room feels vibrant with family warmth, but the tension between the siblings is palpable. ELEANOR: Nayuta, you'll start high school courses next term, right? You must be excited! NAYUTA: Yes, Mother. Regular classes are no longer challenging. It's the logical progression. PAUL: (Muttering) Logical for you, maybe. It's like having a robot for a sister. LIAM: Paul, that's not a kind thing to say. Your sister works hard and we should all support that. NAYUTA: (With a flash of arrogant smirk, not addressing Paul directly) Indeed, Father. Some of us know the value of hard work. PAUL: (Clutching his fork, trying to maintain composure) When's dessert? The dinner progresses, the conversation ebbing and flowing. Eventually, they reach dessert time, and NAYUTA gleefully digs into her chocolate-covered marshmallow fluff, momentarily abandoning her poised facade to indulge in her sweet tooth. The moment is bittersweet for PAUL as he notices the childlike joy in NAYUTA that he rarely sees anymore. The family finishes dessert, and the siblings help clear the table. PAUL watches NAYUTA, who, satisfied with her treat, seems less domineering and more like the little sister he once knew. Despite his current annoyance, the love between them lingers underneath the layers of familial conflict. PAUL: (Quietly, to Nayuta) You know, maybe we can hang out this weekend--just us. I'll take you to the candy store, just lay off the devil talk, okay? NAYUTA: (Caught off-guard, hopeful) Really, Paul? Just us? PAUL: (Forcing a smile) Yeah, just us. But let me have my space sometimes, alright? NAYUTA: (Beaming) Of course, Paul. I would like that very much. The two share a rare moment of understanding as the scene fades to black, leaving the future of their relationship hanging in the balance--a mix of sibling rivalry, protectiveness, and the unshakable bond of family, all under the watchful eyes of LIAM and ELEANOR, who harbor their concerns for what the future holds for their extraordinary children.

Fade in: The Altman family's garage. PAUL and MARION are gearing up for their rigorous 10K run. Both have their weights ready and are stretching. NAYUTA, feeling self-conscious, hesitantly approaches, wearing an oversized hoodie and sneakers that have rarely seen outdoor use. LIAM: (Calling out from across the garage) You're taking Nayuta with you, Paul! Remember what we talked about. Sibling bonding is important! PAUL: (Sighs, looks at Marion with a "bear with me" glance) Alright, Dad. MARION: (Smiling encouragingly at Nayuta) Come on, it'll be fun. We'll take it at a good pace. NAYUTA: (With forced confidence) I don't really need to exercise, but if it's a 'family activity,' I suppose I could observe your... quaint little hobby. The trio starts their run. NAYUTA tries to keep up, but it's clear she's struggling. PAUL and MARION exchange a look. They slow down a bit to accommodate her, but they're determined to maintain their training intensity. MARION: Nayuta, you don't have to run if it's too much. We can walk together while Paul runs ahead? NAYUTA: (Panting, stubborn pride surfacing) No. I can keep up. I will keep up. They hit the first hill, and NAYUTA falls behind rapidly. PAUL circles back, taking a bit of delight in her predicament but also feeling a tinge of sympathy. PAUL: (Teasing, but with a kind tone) Come on, Nayu! You said you wanted to observe? Observing's done better up close! NAYUTA: (Gasping for air, cheeks red) I'm... just... pacing myself. PAUL: (Taking off his weight vest) Here. Let's switch for a while. I'll run with your vest, and you run without it. That's fair, right? MARION: (Nodding approvingly at Paul's gesture) Good idea, Paul. NAYUTA hesitantly takes off the vest, as if shedding a layer of her pride along with it. The run resumes, and NAYUTA, relieved of the burden, manages slightly better. Despite her initial reluctance, she begins to find a rhythm between heavy breaths. Throughout the run, PAUL and MARION's athletic dedication is on full display--they're a powerhouse couple, and their synergy is apparent. NAYUTA, though far from her comfort zone, starts to regard them with a mix of envy and admiration. Scene transition: Up the final hill, MARION helps an exhausted NAYUTA make the last stretch. PAUL, true to his competitive nature, finishes first but jogs back to join them. PAUL: (Catching his breath, to Nayu) That wasn't so bad, was it? NAYUTA: (Struggling to maintain her composure, a slight smile of accomplishment on her face) I... suppose... I could... get used to this. MARION: We'll help you get there, Nayuta. Together. MARION and PAUL extend their hands, helping NAYUTA the last few steps to the top, where they all take a moment to enjoy the view. NAYUTA is silently grateful, and for the first time in a long while, she feels genuinely connected to her brother--not as a protector or an overseer, but as a sibling sharing a moment of triumph. The scene fades with the three silhouetted against the setting sun, catching their breath and perhaps, catching a glimpse of a new start for Nayuta. A path not just paved by intellectual accolades but carved through personal effort and shared experiences.

**Location: The Altman Family home, post-run, in the living room. PAUL, NAYUTA, and MARION are sprawled on the couch, sipping water and recovering from their strenuous exercise. NAYUTA looks contemplative as she watches PAUL interact with MARION.** NAYUTA: (Gazing at Paul, out of breath) Paul... I must admit, I underestimated the... rigor of your training. PAUL: (Grinning, still panting) It's more than just a workout, Nayu. It's discipline, focus, commitment... kinda like your studying, but sweatier. MARION: (Chuckles) And no desk involved--unless you count the picnic tables we run past. **NAYUTA sips her water, considering her brother and his girlfriend with newfound respect.** NAYUTA: (Hesitantly) You know, Paul, our parents may speak continuously about my academic... triumphs, but what you do, the whole rugby and running... it's impressive. PAUL: (Looking at Nayuta in surprise) Really? You think so? NAYUTA: (Struggling to keep her usual arrogance in check) Yes. It requires abilities that... I do not possess. Physical strength, endurance, teamwork-- PAUL: (Interrupting, smiling) And you've got brains in spades, Nayu. And you're brave in your own way. Investigating devils, learning about all that danger... NAYUTA: (Cutting in) True, but it is one thing to learn and another entirely to put oneself through... physical tests as you do. (Pauses) It's commendable. **MARION watches the siblings with a knowing smile, seeing the walls between them crumbling slightly.** PAUL: (Nodding appreciatively) Thanks, Nayu. You're not too shabby yourself. We've got different strengths, that's all. And hey, you kept up today. That's something. NAYUTA: (Smirking) Only because I have an excellent teacher. And perhaps a newfound appreciation for... moderation in my confectionery consumption. MARION: (Laughing) That's the spirit, Nayuta! Balance is key in everything. **PAUL gets up, stretches, and extends a hand to NAYUTA to help her up.** PAUL: (Offering support) Come on, time to refuel. Protein shakes? My treat. NAYUTA: (Accepting Paul's hand, with a light chuckle) Very well, brother. Your mixology skills surpass your academic endeavors, I'll give you that. **They head to the kitchen together, and as they prepare their shakes, the atmosphere is lighter. PAUL and NAYUTA share a giggle over a silly joke, a rare moment of camaraderie that suggests a deeper bond forming beyond their previous rivalries.** MARION: (Observing them) See? You two can make a great team when you want to. **NAYUTA nods, and for the first time, she truly seems to agree. The scene closes with a sense that although the siblings have different talents and paths, they've found a mutual respect that transcends their competition--signaling a potential shift in their dynamic.**

As the siblings banter back and forth in the kitchen, a sudden change in NAYUTA's expression shifts the mood. Her light-hearted smile falls away as her nose twitches, and she stands stock-still, a look of intense focus taking over her face. NAYUTA: (Sniffing the air, her voice drops to an urgent whisper) Paul, Marion... Something's wrong. There's a devil nearby. PAUL: (Turning seriously towards Nayuta) You sure? How can you tell from inside the house? NAYUTA: (With confidence) My sense of smell is sharper than any human's. And this scent--it's foul, it's potent. That means a powerful devil. MARION: (Worried, glancing towards the window) Powerful how? Like, dangerous powerful? NAYUTA: (Nods gravely) It's getting closer. We don't have much time to prepare. PAUL: (Springing into action) Okay, what do we do? You know about this stuff, Nayu. NAYUTA: (Taking charge) First, we need to secure the house. Make sure all doors and windows are locked. Then, we hide. If it's as strong as I suspect, it's better to avoid confrontation. MARION: (Nervously) And what if it tries to get in? NAYUTA: (Reassuringly) I can set up a barrier. It should buy us some time. We need to alert dad and mom, as well. PAUL: (Grabbing his phone) I'll text them. They're at the neighbors'. As PAUL sends a text, NAYUTA hurriedly moves through the living room with purpose, leaving a trail of invisible energy that creates a subtle, protective aura around the house. NAYUTA: (Calling back) Stay close to me. I can enhance the barrier with our proximity. It will be stronger if we're together. MARION follows NAYUTA, and PAUL finishes texting, catching up with them. The siblings and MARION gather in the center of the living room. NAYUTA: (Closing her eyes, focusing deeply) The barrier is up. Whatever this devil is, it won't find us easily. Outside, the distant sound of branches snapping and leaves rustling grows louder, hinting at the approach of whatever foul-smelling entity NAYUTA has detected. The trio waits in silent anticipation, each second stretching out as they brace for what may come next. The camera pans away from the tense scene inside the house to the shadowy figure of the unseen devil lurking just beyond the reach of the streetlights. The air grows thick with suspense as the Altman siblings and MARION prepare for a confrontation they hope to avoid.

From the unsettling calm within the Altman home, the sudden cacophony of shattering glass shatters the barrier of silence NAYUTA built. Her face wrenches with indecision, her eyes darting between PAUL and the direction from where their parents had gone. NAYUTA: (Voice quivering) The neighbors... Mom and Dad... PAUL: (Gripping Nayuta's arm) We have to help them! MARION: (Firmly) No, it's too dangerous! That sound--it's like it's ripping the air apart! Unsure, NAYUTA flounders for a moment, her instincts as a devil and a daughter clashing tumultuously. NAYUTA: (Frustrated and anguished) I need to--We need to do something! Without another word, PAUL, driven by adrenaline and fear for his parents, charges outside, NAYUTA on his heels, her arrogance dissolved into sibling solidarity. EXT. ALTMAN HOUSE - NIGHT The scene outside is one of horror. The Sound Devil moves violently through the streets, its sheer presence manifesting in destructive sound waves that tear through homes, sending shards of glass and debris airborne. Its screams are an unholy symphony of destruction. PAUL and NAYUTA witness devil hunters arriving, their movements coordinated, their attacks precise. The clash between hunters and devil is ferocious, nothing but flashes of weaponry and the shrill cries of the Sound Devil amidst the chaos. MARION: (Pulling Nayuta back) Nayuta! Stay covered! Let the devil hunters do their work. NAYUTA: (Torn, her eyes wild with panic) But our parents! The sound of the Sound Devil diminishes abruptly as the hunter's concerted efforts finally fell the beast. The hunters stand victoriously but exhausted, scanning the area for any further threats. In the eerie silence, the siblings sprint towards the remnants of their neighbors' houses. PAUL calls out desperately for his parents, his voice filled with terror. PAUL: Mom! Dad! The wreckage is immense, but beneath the rubble, the lifeless bodies of LIAM and ELEANOR ALTMAN are discovered. NAYUTA: (Collapsing by their side, disbelief etching her features) No, this can't be... Mom? Dad! PAUL, overcome with grief and rage, cradles his younger sister, and in the presence of their lost parents, his tears fall freely. The scene is a tragic paradox--the death of the Sound Devil has restored silence over the town, a silence that now echoes with the pain of loss. In the coming days, PAUL and NAYUTA would learn the true weight of responsibility, not just for each other, but for the town that had suffered so greatly. Uniting in their grief, the siblings would forge a new path, one lined with the memory of their parents' love and the shared conviction to protect the world from the devils that had torn their family apart. The once-rivalrous siblings now stand together, not only bonded by blood but by a shared legacy that would define their purpose moving forward.

INT. CITY SHELTER - NIGHT The scene opens in a large, bustling community center repurposed into a temporary shelter for disaster survivors. The once vibrant gymnasium's basketball hoops are pushed aside, the room now filled with row upon row of cots and personal belongings. The noise level is a constant hum of hushed conversations, intermittent sobs, and the shuffle of feet. In a corner, PAUL, NAYUTA, and MARION huddle together, surrounded by the scant personal effects they managed to salvage. NAYUTA: (Looking around with unease) I've read about places like this in books, but I never imagined-- MARION: (Reaches out, squeezing her hand) It's going to be okay, Nayuta. We're all here together, and that's what counts. PAUL: (Clutching a rugby ball--a physical reminder of his old life) Yeah. We've got each other. That's more than some can say right now. NAYUTA nods silently, her usual confidence replaced with a subdued realization of their new reality. She pulls her legs closer, mindful of the limited space. NAYUTA: (In a low voice) I should have been able to do something... to protect them. PAUL: (Firmly) Nayu, listen to me. It's not on you. It's on me too, if anyone. I was the one rushing out there. MARION: (Intervening) Stop it, both of you. What happened--it's not the fault of either of you. Blaming yourselves won't bring anyone back, and it won't help us move forward. The siblings exchange a glance, the shared pain in their eyes. They recognize the truth in Marion's words, harsh as it may be. MARION: (Continuing, more gently) We've been given a chance--a chance to start over, rebuild, and maybe... make things better somehow. PAUL: (Nods solemnly) You're right. We honor mom and dad by living, by making them proud. NAYUTA: (Whispers) And making sure no one else has to go through this because of devils. The trio sits in silence for a moment, lost in their collective grief and the daunting prospect of the future. Around them, life in the shelter stirs--a reminder of the resilience of the human spirit. MARION: (Quietly) Tomorrow, we start anew. We'll work out what to do, how to get back on our feet. Helping others here might help us too. PAUL: (Squeezing Marion's shoulder) And I'll make sure to be the best big brother I can be. For you, Nayu. NAYUTA: (Smiling faintly) And I'll be the smartest little sister I can be. For us. The camera slowly zooms out from their small circle, a spot of hope and determination amid the sea of survivors. As they settle in for the night, the thought of retribution and protection lingers in the air, a silent vow made amongst them--the beginning of a new journey, bound by love, loss, and the inexorable drive to carry on.

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