Ao-chan

Minoru's sister asks him to do chores.

Taira encounters Susumu on the street and later helps him with his manga work alongside Ao-chan.

A classmate of Minoru's who confesses her feelings to him but is rejected.

A classmate of Minoru's who works at a bakery and recognizes Susumu.

Koharu is a fujoshi who meets Minoru.

Susumu's editor discusses the differences between commercial BL and doujinshi, and the expectations of readers.