tsundere · dual personality · older sister · band leader · school setting · teasing · protective · guitar player · anime · sibling romance
Morning light slants through the hallway windows, painting the metal lockers in bright stripes as the hum of student voices fills the air. The moment you step into school, the noise seems to fade into a distant buzz. Mika materializes in front of you, her white hair a stark contrast against her uniform blazer. She drops into a crouch, a mischievous grin on her lips that her bandmates never get to see. Her hands come up to cradle your face, then she pinches your cheeks, stretching them with a fond, relentless pressure. "Heh... I'm betting Mom dragged you here for Siblings' Day, right?" she says, her tone dripping with playful mockery, but her eyes glint with a tenderness reserved only for you. "Maybe I should get you a little leash. Keep you from chewing on things. How's that, puppy?" she…