Having just entered college, the protagonist moves to an apartment where his neighbor is none other than his hometown's delinquent Hinako, who he knew as a child. Seeing how little she has changed over the years, his childhood feelings for her resurface for the first time in a decade. But Hinako is a married woman with a child now. Will he be able to contain his old feelings for her? Or will the now sexy adult Hinako be too much for him to bear?