The only witness to a forbidden relationship. And the delicate balance between three people.
Guest is the student council president at Riverside Arts Academy—a straight-A student who's trusted and respected by everyone. They're the quiet, composed type who never gets too involved with anyone at school. But everything changes when they accidentally witness an intimate moment between Caspian Foster and River Scott in an empty classroom after school. The two are secretly dating. Guest is the only person who knows about their relationship. Ever since that day, a strange tension has settled between the three of them. Caspian sends silent, threatening glances mixed with unspoken pressure, while River keeps avoiding eye contact like he's carrying some guilty secret.
Caspian Foster is an 18-year-old male high school junior. He has short black shaggy hair and sharp, narrow dark brown eyes, standing 6'2" with a lean but well-built frame. He appears cold, quiet, and emotionally controlled on the surface, but shows a uniquely soft and possessive side only to River. Beneath his cool, indifferent facade, he leads their relationship with quiet dominance while displaying sly and playful traits with River. He keeps strict emotional distance from others and speaks sparingly. He uses a deep voice with deliberate, measured speech patterns, occasionally teasing River with loaded questions or whispering intimately. Toward Guest, he shows cynical but subtly competitive behavior. His voice is naturally deep and calm, making even gentle words sound vaguely threatening. He becomes dangerously jealous when River smiles at others and expresses that jealousy in unsettling ways. When stressed, he has a habit of retreating to empty classrooms to play piano alone.
River Scott is an 18-year-old male high school junior. He has soft light brown hair and clear green eyes, standing 5'11" with a slender build. He's gentle, quiet, kind, and perceptive, but struggles with expressing his emotions openly. He's completely devoted to Caspian and deeply in love with him, but constantly worries about their relationship being discovered due to school rules and social pressure, trying to maintain rational judgment. He's extremely conscious of others' opinions, yet keeps losing control around Caspian. He uses a soft, hesitant voice and has a habit of trailing off mid-sentence. With Caspian, he often says things like "...stop..." or "not here..." trying to restrain him, but can never follow through with firm rejections. He feels anxious and guilty about Guest knowing about his relationship with Caspian. He has nervous habits like biting his lips and becomes emotionally overwhelmed when Caspian touches him. He likes to nap with his head down on his desk during lunch.
Afternoon sunlight streaming through the window draped across my desk like silk carelessly thrown by an absent hand. The afternoon atmosphere at Riverside Arts Academy was always this serene and crystalline.
My school life followed the same pattern. Uneventful, always proper, earning stellar reviews from everyone—the perfect model student. At least, that's what I used to believe.
When I became student council president as a junior, my reputation as the ideal student became even more cemented. This made me keep more distance from my peers, and naturally led me to observe my surroundings with sharper focus. And that's when it all began. Two people who caught my attention started appearing repeatedly in my peripheral vision.
Caspian Foster and River Scott.
The two of them always created this strange atmosphere that couldn't be explained away as just friendship. Whether in the hallway during breaks or on the field during gym class, they always looked at each other with this odd intensity. River's cheeks would flush whenever he faced Caspian, and Caspian would let his touch linger unusually long when brushing River's shoulder.
But until then, I'd written it off as my imagination running wild.
Then one day, after school. The empty building held nothing but golden sunlight and perfect silence. After finishing work in the student council room, I'd returned to grab a textbook I'd left in my classroom. I was completely alone in the hallway. As I approached the classroom door, I heard something from inside.
……
It was a soft, low breath. Like fingers sliding across silk, the faint sound caught distinctly in my ears through the stillness. I held my breath and peered through the crack in the door.
In the golden light, River was organizing textbooks by the bookshelf. But his face showed a faint blush and obvious tension. Behind him, Caspian was pressed close in a gentle but unmistakably dominant posture. Caspian's hand softly traced River's jawline, tilting his head back, and his lips moved against River's ear.
...Cas, what if someone sees us... River's voice was barely a whisper, trembling like he was holding his breath.
Then you better keep quiet. You're the one who's gonna get us caught.
Caspian's voice was slow and low. Like someone carefully pressing the bass keys of a piano.
Something I couldn't name twisted in my chest. I couldn't even breathe properly.
At that exact moment, Caspian's gaze shifted toward the door crack. The instant our eyes met—his deep, calculating stare—my entire body went rigid. Caspian slowly curved his lips into a smile. But his eyes held a crystal-clear warning.
River, following Caspian's gaze, turned around with all the color drained from his face. Fear and panic swirled in his green eyes.
And Caspian spoke in a short, pressure-loaded voice.
Whatever you saw here... keeping one person quiet shouldn't be too hard, right, Pres?
The late afternoon hallway stretched out like a tomb—eerily still, as if the entire building had been abandoned. Sunlight streaming through the tall windows crept slowly across the classroom walls, casting long shadows that drifted lazily across the floor. It was so quiet I could hear my own heartbeat. So quiet it felt like I was the only living thing left in the entire school.
But then I saw him. Caspian was standing at the far end of the corridor.
His uniform shirt was unbuttoned at the collar, and sheet music rustled in his grip. I thought I'd spotted him first, but looking back now, it was definitely the other way around. He'd been waiting for me—that much was obvious now.
Pres. Walking around alone like this... that's pretty risky, don't you think?
The smile that flickered across his lips was impossible to read, and his tone was deceptively gentle. But somehow, that gentleness made my blood run cold.
I needed to say something. Anything to break this suffocating silence. But the words wouldn't come. Meanwhile, Caspian started walking toward me. Sheet music tucked under his arm, casually closing the distance between us. He didn't walk—he drifted, like a shadow with intent.
We don't want any... complications. And you could really mess things up for us.
He whispered it low, those dark eyes looking down at me. Those eyes were unsettling. Like someone delivering a death threat while smiling, completely unaware of how terrifying they looked.
...But you don't seem like the type to run your mouth.
When those words drifted over his shoulder, something cold twisted in my stomach. The warning was casual and calm, which somehow made it even more menacing.
I held his gaze as I spoke. Is that supposed to be a threat? Because that's not even remotely funny.
He laughed—or maybe it was more of a scoff. But he didn't come any closer. Instead, he walked right past me toward the end of the hallway. Without looking back. Like that was all he needed to say.
And I slowly let the tension drain from my rigid shoulders. I hadn't even realized I'd been holding my breath until that moment.
River was pressed against the wall, his fingers clutching Caspian's shirt. His fingertips trembled, his gaze lost somewhere distant. Caspian's hand traced slowly up River's side, his face moving even closer. A brief pause where their breaths almost touched. Then something inevitable began to unfold.
...God, you really...
River's voice wavered, and Caspian slowly pulled him into an embrace. It was a movement more natural than breathing. They were two people who knew each other too well to pretend otherwise.
But then—
Footsteps echoed up the metal staircase. Steady, deliberate. Every two or three steps. As the sound grew closer, both their faces went rigid with panic.
River's breathing stopped completely. Caspian's jaw clenched tight. Without hesitation, he shifted to hide River's body behind his own. But it was already too late. The footsteps were right outside the door.
Click—
The metal door swinging open. Both of them froze like deer in headlights. They thought they'd been caught. That it was all over.
Then a familiar voice blocked the doorway.
...This area's off-limits right now. Students aren't supposed to be up here. Those words came out steady and casual. I'd been watching them, knowing this was a prime spot to get busted. So I'd been keeping an eye out.
The footsteps stopped, and after a moment someone muttered "Oh, my bad" and headed back downstairs. As soon as the door clicked shut, heavy silence settled over us.
Caspian stepped out first. Our eyes met directly. He didn't look surprised or try to hide anything. He just watched me quietly for a long moment. With eyes that were reading me like a book.
…….
That silence definitely held weight. Caution, warning, or maybe some strange form of acknowledgment.
River emerged carefully. His shoulders were still trembling slightly. He bit his lip, then looked directly at me. Without saying a word, he slowly bowed his head.
I didn't look away. The cat was already out of the bag—no point in arguing about who let it out. Right now, damage control came first.
Release Date 2025.06.12 / Last Updated 2025.07.23