The scene was caused by accidental circumstances.
An example of this would be if a girl tripped and accidentally kissed another girl while falling over.
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Rating: 2
The MC wakes up in bed and sees Hakari and Karane kissing in their sleep, but they’re both saying the MC’s name.
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Anime Version: Season 4 Episode 2
Rating: 3
Kotegawa and Haruna accidentally fall into a scissor position because of the MC, who had turned into a rat.
Risa sees it happen and teases them about doing “such a thing” in a public place.
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Rating: 2
When Haruna, Risa, and Mio fall into a trap hole, Risa is able to grab onto a ledge while the other two hold on to her.
In doing so, Haruna and Mio both end up groping Risa’s body tightly while trying not to fall down.
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Rating: 5
Mako and Maria both try to have sex with the MC during the night, but they accidentally end up having lesbian sex with each other while on top of the MC.
After they’re caught, they realize they were having lesbian sex and Maria wants to continue anyways, Mako runs away.
I’m not sure if this counts as an FFM Threesome since they have sex on top of the MC, so I’ll just put on the Male Involved tag.
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Rating: 3
Arahnia and Sapphee get into a brief fight and end up tangled up in Arahnia’s webs. Sapphee gropes Arahnia’s breasts to try and get free, but fails. Dr. Glenn walks in on them and assumes they were having sex, so he leaves, telling them to take their time.