Scene features at least 1 guy having sex with 3 or more girls. (Will only have the “Group” tag if the girls involved do things without the guy during the orgy.)
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Rating: 3
The MC has an orgy with most of the girls on the team.
Eventually the captain and Kaori walk in on them, so the captain starts to grope Kaori’s breasts in an attempt to coerce he into joining, but she runs away instead.
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Rating: 2
Eun-Ha tires to have sex with Sola and the MC while she thinks they’re in a VR game, but they end up tricking her.
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Rating: 1
During an orgy that the MC is imagining for his erotica, Erina and Mukaichou are briefly seen in the background hugging.
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Rating: 3
A group of random girls briefly have lesbian sex with Mina because they’re hallucinating and think she’s a “delicious honeycomb.”
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Rating: 1
Both Toki and Summer imagine having an orgy with their students while they’re helping them make valentine’s day chocolates.
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Rating: 1
Random girls can briefly be seen kissing during an orgy.
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Rating: 2
Some of the girls are briefly shown making out during 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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Rating: 3
The MC has an orgy with all of the girls.
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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.