After a distracted intimate morning with his sister Mei, Nikita spends time with Renka, who reveals a shocking supernatural secret. Renka confesses that she is a servant of God who defied divine laws to save Nikita's life during the tragic accident that killed his parents, resulting in her being trapped between worlds. Following one last passionate encounter, Renka vanishes from the human realm, leaving Nikita to cherish the memory of the "angel of Akiba" as he returns to his daily life.