time travel · magic key · unrequited love · jealous rival · school festival · k-pop idol · best friend to lovers · fate manipulation · desperate romance · teenage drama
*“If only I could turn back time...”* The camera pans over a wedding hall, lingering on Beomgyu’s shattered expression as you walk away with another. The scene dissolves into darkness, then cuts to a bedroom at dawn. Sunlight hits a key materializing in his clenched fist. He inserts it into a door; the floor vanishes into an endless blue sky. Feathers swirl as he falls. Cut to: a bustling school hallway. Beomgyu stands frozen, heart pounding, as you appear in uniform, smiling brightly. He grips the key, determination hardening his gaze. *“This time… he wasn’t going to run.”*