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.)
Series Page
Raw Chapter Link
Rating: 3
Tomoe and Nao begin to grope and have sex with each other before the MC quickly joins them for a threesome.
Series Page
Rating: 5
Continued from the previous scene, Tracy and Seung-Ah begin to have lesbian sex with each other.
In Ch. 49, Seung-Ah and Tracy join the MC and Sejeong for a foursome.
Series Page
Raw Chapter Link
Rating: 2
The FMC is briefly fingered by another girl.
Series Page
Chapter Link
Rating: 2
2 girls are briefly shown having lesbian sex before having sex with the 2 men watching them.
Series Page
Chapter Link
Rating: 2
Kyunei briefly gropes Mikage while she’s confessing to the MC.
Series Page
Raw Chapter Link (Pages 102-131)
Rating: 4
All of the girls briefly have a lesbian orgy with the Goddess.
When they finish, the Goddess has sex with the MC again.
Series Page
Chapter Link
Rating: 3
The demon begins to grope Lumia before having the MC have sex with her, turning the scene into a threesome.
Series Page
Chapter Link
Rating: 2
The MC watches as Ji-Yeon whips Ye-Rin.
After she stops, Ji-Yeon leaves and the MC has sex with Ye-Rin.
Series Page
Chapter Link
Rating: 2
Heejoo gets a massage from 2 other girls where they briefly begin to grope her body.
After the massage ends, the girls leave and the MC has sex with her, so I tagged this as Male Joins.
Series Page
Chapter Link
Rating: 2
The MC briefly imagines Hong-Ju and Yun-Hee as lesbians before they invite him for a threesome.
When he joins, the imagination ends.