After losing her new house to an earthquake, Kotoko Aihara, a struggling and clumsy high school senior, finds herself cohabitating with Naoki Irie, the school's brightest mind. Despite a failed love letter to Irie in the past, their unexpected living situation brings a glimmer of hope to Kotoko's longstanding infatuation with him. Surrounded by eccentric friends and a meddling mother, Kotoko faces an uphill battle to capture Irie's heart, but her optimism remains unwavering in the face of seemingly insurmountable odds.