Yuri and Friends Jenny Special
23 pages
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shadowedForestFunk
That's why there's a incest tag nice plot twist.
FuglyDuckling
In regards to the biology questions: the title refers to the scientific theory that males might have an analog cavity where, if you wanted to be a bit overcreative in your science, could be used as a surrogate psuedo-womb. I'm guessing this doujinshi just takes that to its logical end.
AnnabellaX
Stop jerk off. I know a site where thousands of single girls are waiting to be fucked. Look at them: xnice.fun/hn
Futafanatic
Dayum...wish i had classmates like that
PotatoTot
The only scary part is the end with the black text as in yandere-ish but it is meant to be wholesome so won't be a sequel issue.