Muku Shiroshika's happy and carefree childhood came to an abrupt end after her father's tragic death. In the ten years since, she's worked as a thankless caregiver for her dementia-suffering grandfather. Between taking care of her family, searching for a job, and enduring her grandmother's constant criticism, Muku finds herself drowning. She's desperate to escape, but with nowhere to go, Muku loses hope--that is, until her childhood friend Yuto appears on her doorstep one snowy day and inspires her to live for herself.

Long gone are the days when Muku Shiroshika would play carefree in the snow with her childhood friends. Thrust into a thankless caregiver role, Muku wants to break free from her oppressive family and regain control of her life. When her childhood friend Yuto pays her an unexpected visit, she finds hope in his words and decides to take a chance on happiness. But as she works to define herself, she finds that breaking free of her family's influence is harder than she thought.