Series Page
Chapter Link
Rating: 4
The MC watches and masturbates to his mom and Ayaka-sensei having lesbian sex with each other, but eventually he actually joins in for a threesome.
Chibokyuu – Chapters 7-10
Tag: Breast Licking/Sucking
The scene features a girl licking and/or sucking on another girls breasts.
Show Me Your Color – Chapters 46-50
Series Page
Chapter Link
Rating: 4
The MC forces Su-Yun to have lesbian sex with Sun-Ah before joining them for a threesome.
Heart Maker – Chapter 8
Series Page
Chapter Link
Rating: 5
Mayumi and Akiko have lesbian sex together again. Eventually the MC walks in on them and joins them.
Kiss of the Dead – Chapter 5
Series Page
Chapter Link
Rating: 5
At the start of the chapter, Rika and Shizuka are shown to have a sexual relationship.
Later, while the MC’s recovering, Rika seduces and has sex with Saeko, claiming that it’s not cheating since they’re both girls.