Taiki Riju, a renowned student, hides a crippling fear of failure behind a mask of silent perfection. When a new student, Mioka Shimizu, joins the classroom, she notices the cracks in his carefully constructed facade. Mioka, haunted by her own past, sees a kindred spirit in Taiki's isolation. Through late-night conversations and shared anxieties, Mioka begins to gently chip away at Taiki's defenses, forcing him to confront the childhood trauma that fuels his fear. But as Taiki's secrets surface, Mioka must also confront her own demons, and they both discover that vulnerability is not weakness, but the key to true connection.