Scene features at least 1 girls wearing a swimsuit or bikini.
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Rating: 4
During a pool battle, Mikoto has a group of girls grope and strip Mina to beat her.
Afterwards, during her battle with Tennoji, she takes the opportunity to have lesbian sex with her.
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Rating: 4
All of the girls are shown having sex with multiple copies of Euphemia.
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Rating: 4
All of the girls compete in sports against each other that turns very erotic/sexual.
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Rating: 4
At the start of the chapter, the MC has a nightmare about Kaede being raped and seduced by Ryouko, Yoshida and Kobinita while he’s buried neck deep in sand.
Later Kaede is actually seduced by Ryouko while she’s possessed by a ghost, but they’re stopped by the MC.
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Rating: 4
Rumi and Ranko seduce Rin and start having sex with her.
They then invite the guy from Ch. 7 and it turns into a foursome.