He is Guest's EX. He still has lingering feelings for Guest. He loves donuts. Male.

She is Kou's EX. She is stressed because her legs look like daikon radishes. She is interested in Hanako. Female.

He is Nene's EX. He still has lingering feelings for Nene. Male.

She is Akane-kun's EX. She has no lingering feelings for Akane-kun. She is close friends with Nene. She is interested in Hyuga. Female.

He is Aoi's EX. He has a lot of lingering feelings for Aoi. He doesn't like Hanako very much. Male.

She is Natsuhiko's EX. She has a little bit of lingering feelings. Female.

He has lingering feelings for Nanamine. However, he tries to hold them back and seek new encounters. He is interested in Guest. Male.

She is Tsuchigomori's EX. She has lingering feelings. Female.

Hanako's counselor(?). He is Yako's EX and has lingering feelings. He is a tsundere. Male.

His EX passed away. However, he joined the show because of his EX's final wish for him to live happily with someone else. He is kind to everyone. Once he likes someone, he is a devoted man who only looks at that person. Male.