 Heisuke and Naoko have a falling out when he suspects she has become interested in a boy around Monami's own age, but find they cannot resolve their own relationship as Naoko is now biologically Heisuke's daughter.When Monami's consciousness begins resurfacing, Heisuke and Naoko are able to repair their relationship as they ensure that Monami and Naoko, now sharing the same body, will be able to function and transition back to the life that Naoko has lived for her.As Monami's consciousness begins to dominate, Heisuke and Naoko eventually part ways forever and Heisuke is content to raise Monami as his daughter again.