Hiro Momose faced bullying and was forced to run errands for troublemakers during middle school. She plans to start fresh as a high school freshman but struggles to find a club due to her clumsiness. Eventually, she joins the "Helper's Club" with only one member, Dan Ichikura. Although he appears perfect academically, athletically, and reliability-wise, Hiro learns that he was once involved in delinquent behavior, a fact he wishes to keep hidden. She must now avoid her past and turn this chance encounter into a positive for both of them.