After enduring middle school bullying, Hiro Momose enters high school with hopes of a fresh start. Rejected by traditional clubs, she joins the struggling 'Helper's Club' with the seemingly flawless Dan Ichikura as its only member. But beneath his perfect facade lies a shared past of delinquency that threatens to unravel their newfound bond. Bound by a pact of secrecy, Hiro navigates a delicate balance between her painful history and the opportunity for a brighter future.