Scene is very long in length. (Most of the chapter or multiple chapters.)
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Chapter Link
Rating: 5
Eunjoo convinces Seo-Yeon to join in on having sex with the MC. At one point, the MC is blindfolded and when he takes it off, he sees the 2 of them making out with each other.
Throughout the threesome, Seo-Yeon realizes she’s bisexual and that she likes having sex with women as well.
Series Page
Raw Chapter Link (Pages 2-37)
Rating: 5
The MC’s childhood friend, “Erika,” catches Rion and the MC kissing, so she blackmails Rion to stop seeing the MC and reveals herself to be a lesbian.
She assaults Rion, and while reluctant at first, it turns into a sex contest of who can make the other feel better. If Rion wins, Erika will leave her and the MC alone. If Erika wins, Rion will become Erika’s new sex friend.
Ch. 25 ends with the MC finding them passed out nude on the bed, implying they had sex the whole day.
Series Page
Raw Chapter Link (Pages 491-521)
Rating: 4
Rion and Shion wake up the MC to have a threesome with him.
Series Page
Raw Chapter Link (Pages 366-375)
Rating: 4
Ruri spies on Kaname (Ruri’s Aunt) and the MC having sex.
Kaname sees her and starts seducing her by groping and making out with her.
The MC eventually joins in and it turns into a threesome.
Series Page
Raw Chapter Link (Pages 155-173)
Rating: 3
Rion invites her sister, Shion, to have a threesome with herself and the MC.
Series Page
Chapter Link
Rating: 5
The MC convinces the 2 FMC’s to have lesbian sex with each other as a way for them to get along.
In Ch. 23, the MC joins in and the scene becomes a threesome.
The black haired FMC is divorced at this point, and while the other woman is still married, she is in the process of getting a divorce, so there’s no Married or Cheating tags here.
Series Page
Chapter Link (Pages 328-330 & 332-351)
Rating: 3
Hina is groped and kissed by Mei and Utsuki, but they get interrupted before they can go any further.
The chapter then proceeds into an orgy with the whole student council.
Series Page
Chapter Link (Pages 252-262)
Rating: 5
Jun and Utsuki catch Hina and Mei having lesbian sex with each other.
Afterwards, all four of them proceed to have a FFFM Foursome together.
Series Page
Chapter Link (Pages 182-201)
Rating: 5
Hina has lesbian sex with Mei at the request of Sakura-senpai while he watches.
Mei is very eager and has always wanted to try having sex with Hina anyways.
Mei and Hina begin to have lesbian sex with each other, but Sakura eventually joins in, turning the scene into a FFM Threesome.
On the last page, Mei admits that she wants to go out with Hina and that the experience “Awoke something inside of her,” so she kisses Hina again.
Series Page
Rating: 4
MC finds Ange putting a choker on Elaine and introducing her as her pet. They confirm they were having sex the whole time last chapter and that she can also be the MC’s pet. The MC declines, but says they can have their fun.
Elaine then leaves to go to work, but Ines walks by and overhears, thinking she’s been replaced. The MC reassures her that’s not the case and pushes her towards Ange. Ange and Ines start making out, so the MC closes the door to give them privacy.