Japan experienced a significant decline in birth rates fifteen years ago, leading to the birth of a small cohort of individuals who are referred to as the "LastGen."
Hanasaka Haru is a 15-year-old member of this generation who has never had the opportunity to interact with peers before. His first day of school brings him face to face with Himeshiro Sakurako, but their initial encounter is not what Haru had envisioned. As a result, Haru's hopes for an ideal school experience are quickly dissolving.
