After Otaro gets trapped under falling steel beams and gets killed by Saiko, Misono gets attacked and the Horse Riding Club members suspect a certain person as the culprit.
Kazuma attacks Misono, leaving her with a serious cheek injury. Three months later, Misono receives a letter from Hiroyuki that helps her open up, but another tragedy looms as Takauji grows jealous.
After Misono dies, Takauji's life spirals and leads him to become a host in Kabukicho, where he rose to the top and manipulated others due to an intense, incomprehensible obsession with being a host.
Takauji clears his name with the police by blaming Hotei, who suffers from being wrongly labeled a murderer even after release. Marin empathizes with Hotei's plight, leading to an intimate night together and a plan to start anew.