Follow the story of Chisato, a seemingly ordinary girl fixated on pursuing her crush. Despite her typically calm demeanor, she's experiencing a rebellious phase, often clashing with her uncle. Shocked by her transformation from a sweet child to a sharp-tongued teen, her uncle finds himself in a precarious situation. When Chisato catches him snooping in her personal belongings, a heated confrontation ensues. This incident prompts a drastic decision from the uncle, pushing him to step up and play a more significant role in Chisato's life.