There is a belief among certain people that the fond reminiscences of one's early years, commonly labeled as "pleasant," may indeed have a bitter aftertaste. Although Kyouko Hori presents a flashy image while in school, she is in fact an exceptional scholar with a supportive family. Meanwhile, Izumi Miyamura strives to blend in and hides his tattoos and piercings when out of school. When Miyamura helps out Hori's younger sibling, their lives intersect, leading Hori to uncover Miyamura's hidden side and commencing the beginning of their relationship.