If the scene starts as fully yuri, but eventually a male comes in and joins them. (The “Male Involved” tag is only used if the male is involved from the beginning of the scene.)
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Rating: 3
The FMC briefly has lesbian sex with another girl before they’re joined by 2 other men for an orgy.
Nothing yuri happens once the men show up.
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Timestamps: 03:16-06:15 (No Male) / 06:16-08:25 (Male Joins)
Rating: 5
Chiba seduces Nanashi while they’re washing each other and end up having lesbian sex while the MC spies on them from afar.
Eventually, the MC joins and the scene becomes a threesome.
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Rating: 1
The chapter ends with Maika and Uta pressing their breasts together while asking the MC to have sex with both of them.
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Rating: 2
Rina briefly gropes Seyoung’s body in the shower while their husbands’ watch.
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Rating: 1
The MC finds Satsuki trying to strip and grope Akira.
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Rating: 1
2 random girls are shown having lesbian sex in 1 panel.
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Rating: 4
Riko confesses her feelings to Sayaka and then has lesbian sex with her.
Eventually, the MC joins them for a threesome.
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Rating: 2
Professor King briefly fingers Janice before joining Mary and the MC for a threesome.
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Rating: 3
Tomoe and Nao begin to grope and have sex with each other before the MC quickly joins them for a threesome.
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Rating: 5
Continued from the previous scene, Tracy and Seung-Ah begin to have lesbian sex with each other.
In Ch. 49, Seung-Ah and Tracy join the MC and Sejeong for a foursome.