This OVA adapts manga chapters 26 through 34, covering the Hoshi no Umi story arc. The narrative follows Rin Azuma, a Jiang-Shi yokai who is settling into life in Sakurashin and working at a ramen shop. Her peaceful routine is broken when her former friend Zakuro Kurumaki arrives with the intention of capturing Rin and persuading her to join a scheme involving other yokai hunters. This plot, led by the main antagonist Enjin Hiizumi, aims to destroy the city. To counter this threat, Akina Hiizumi and the team from the Hiizumi Life Counseling Office step in to protect Rin, subdue the yokai that has taken control of Zakuro, and defend the city.
