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Rating: 3
The MC has an orgy with some of the girls in his harem.
Makikomarete Isekai Teni suru Yatsu wa, Taitei Cheat – Chapter 59.2
Tag: Oral Sex
Scene features a girl performing oral sex on another girl.
Harem Party: How a Spell Sluttified My Party – Chapter 2
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Chapter Link (Pages 46-65)
Rating: 5
After the party gets jealous of the MC having sex with the Demon Queen, he has the rest of the girls have lesbian sex with her.
Eventually the MC rejoins and the scene remains an orgy.
InCha Couple ga You Gal-tachi to SEX Training Suru Hanashi – Chapter 3 Scene 3
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Chapter Link (Pg. 33-39)
Rating: 4
All of the girls briefly have a lesbian orgy with Chisa, causing her to pass out.
When she wakes up, they show her a video of what happened afterwards, showing that they all continued to have sex with her, the MC eventually joining in as well.
Maji de Watashi ni Koishinasai dj – Go Go Bushi Musume – Chapter 1 (One-Shot)
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Rating: 4
While the MC is having sex with all of the girls, Miyako presents Chris to him where Chris admits she came from Miyako eating her out and fingering her off-screen.
Miyako then asks to have sex with him next, but Chris also wants to, so they both have lesbian sex with each other as a competition to see who can have sex with him first.
Eventually the MC rejoins them.
Scan Here! – Chapter 49
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Rating: 3
The MC has an orgy with all 4 of the girls in his harem.
Succubus & Hitman – Chapter 42 Scene 1
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Rating: 4
The MC and Armelina have an orgy with 3 other girls.
The scene ends at page 29, the next scene is a separate post.
Ero Ninja Scrolls – Chapter 2
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Rating: 2
Sari uses ninjutsu to make Asakusa hallucinate having an orgy and declares that she’ll belong to her.
Sex Study Group – Chapter 110
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Rating: 3
In the final chapter, Dae-Un gropes every girl in the group before joining the MC for an orgy.
Ane Ana – Chapter 21
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Rating: 4
While the MC is having sex with some of the other girls, Minako and Ruri have lesbian sex with Maya.
At the end of the chapter, the MC joins in with them.
Pheromone – Chapters 54-55
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Chapter Link
Rating: 3
While the MC is having a threesome with Mi-Hae and Ember, Sun-Mi and Hae-Mi show up to join in as well for an orgy.