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Rating: 1
Kobayashi-sensei briefly has another threesome with Tsukasa and Kisaragi-sensei.
Scene features any type of sex toy. (Used in combination with the “Dildo” and “Strap-On” tags, but it’s also for any other sex toy that doesn’t have a tag like vibrators, anal beads, etc.)
Series Page
Raw Chapter Link
Rating: 1
Kobayashi-sensei briefly has another threesome with Tsukasa and Kisaragi-sensei.
Series Page
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 a threesome with 1 of the sisters and his teacher.