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
Chapter Link
Rating: 4
Rindo and Yoshioka rape and have a lesbian threesome with Chika while the MC and Chika’s brother fight each other.
After the MC wins the fight, he very briefly has sex with Chika, so this is technically a Male Joins scene, but it’s a yuri threesome for the majority of it.
Series Page
Rating: 3
Continued from the Previous Scene, the MC tells Eunji to ready Jiyoung before he continues to have sex with her.
Series Page
Rating: 2
At the end of the chapter, Tracy and Seung-Ah briefly tease Do-Hee after they were caught spying on Sejeong and the MC having sex.
Series Page
Rating: 3
One FMCs briefly gropes and fingers another in front of the MC.
The scene then turns into a threesome.
Series Page
Chapter Link
Anime Version: Episode 9
Rating: 2
Draco attempts to rape Miia since she wants to steal her from the MC, but the MC comes and stops it before it gets too far.
Series Page
Chapter Link (Pages 49-68)
Rating: 5
Makoto and Reika are briefly shown having lesbian sex with each other while the MC is tied up and forced to watch.
The MC makes a comment about how they’ve been having lesbian sex with each other all week and haven’t let him join.
They then feel bad and very quickly go to join him for a threesome.
Series Page
Chapter Link (Pages 13-28)
Rating: 4
Reika very briefly has lesbian sex with Makoto before the MC rejoins them for a threesome.
Series Page
Rating: 4
Continued from the Previous Scene, all of the girls tackle Jia and prepare to have a lesbian orgy with her.
The MC joins in at the end of Chapter 39.
Series Page
Raw Chapter Link
Rating: 4
Mitsuki briefly seduces and has lesbian sex with Sasaki in front of the MC. (The lesbian part is pretty much completely off screen while we see the MC’s reactions)
The MC then joins them for a threesome and remains involved for the rest of it.
Series Page
Episode Link
Timestamp: 21:09-26:10
Rating: 4
Kuri seduces and has lesbian sex with Ryouko in front of the MC.
The MC eventually joins in as well and the scene becomes a threesome.