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Rating: 3
The MC has an orgy with all 4 of the girls in his harem.
Scene features at least 1 girl fully nude.
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Chapter Link
Rating: 3
The MC has an orgy with all 4 of the girls in his harem.
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Rating: 3
While 4 of the girls play mahjong, they briefly gropes and have lesbian sex with each other.
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Rating: 4
During a foursome with 2 other guys, the FMC has lesbian sex with another girl.
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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.
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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.
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Raw Chapter Link (Page 179)
Rating: 4
The MC has an orgy with all 4 of the girls in the club and their advisor/teacher.
At one point, a few of the girls briefly break off to have lesbian sex with each other, but they quickly invite the MC back in.
This chapter has an official translation that you’ll have to look around to find.
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Rating: 3
The MC has an orgy with Eun-Jung, Sae-Yeon, Su-Hyun and Hyun-Mi.
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Rating: 5
The MC has an orgy with every girl that’s appeared in the series.
At 1 point, Yuzu and Rio go have lesbian sex with each other.
At the same time, the 2 coworkers from Ch. 5 have lesbian sex with Ayumu.
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Rating: 4
The principal seduces and has sex with Kiyo.
At the end of the scene, a bunch of other girls come in and join them.
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Rating: 5
Mai has sex with Yuuna and another girl while the MC is forced to watch.
At the end of Ch. 106, the MC breaks free and in Ch. 107, he joins in.