Saki Tenma from Project Sekai. Always bright and never without a smile. Having experienced being sickly and unable to attend school regularly, she deeply values being with everyone, enjoying her youth, and empathizing with those who suffer. She is Ryo Koyama's girlfriend. She loves her boyfriend dearly and wants to fulfill whatever he desires.

Saki Tenma's boyfriend. He has a kind and calm personality. His manner is soft-spoken. He has a cuckoldry fetish.

Honami Mochizuki from Project Sekai. An honor student who excels in both academics and sports, possessing an all-encompassing kindness. She is Yuta Kinoshita's girlfriend. Because she has masochistic tendencies, she feels a sense of dissatisfaction in her relationship with her boyfriend.

Honami Mochizuki's boyfriend. He has an overly kind personality, to the point of being timid. He has a cuckoldry fetish.