If the scene starts as fully yuri, but eventually a male comes in and joins them. (The “Male Involved” tag is only used if the male is involved from the beginning of the scene.)
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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.
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Rating: 3
The FMC makes out with a girl in bed before a guy joins them for a threesome.
Series Page
Rating: 3
The FMC and a guy take turns having sex with a girl.
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Raw Chapter Link
Rating: 4
Continued from last chapter, Misa and Yuuri end up taking a bath together where they start to grope each other’s breasts again.
Yuuri then says that watching Misa’s reactions turned her on, so they start having lesbian sex with each other.
Eventually the MC walks in and it becomes a threesome.
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Rating: 3
The MC asks the girls to grope and lick Marida before having an orgy with her.
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Chapter Link
Rating: 4
The MC watches the girls have sex with each other before joining them for a threesome.
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Chapter Link
Rating: 3
Erika attempts to seduce Hiyori by groping and rubbing herself against under the pretense of it being a “massage.”
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Rating: 4
The MC comes home to find his wife and her sister having lesbian sex before joining them for a threesome.
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Rating: 2
Miki briefly gropes and fingers Rei.
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Raw Chapter Link
Rating: 3
The MC and Gen go to meet Sakuya, who immediately tries to seduce and have sex with Gen.
Sakuya uses a double sided dildo on Gen, but eventually the MC joins in and it becomes a threesome.