>>8682808
My favorite nuns are: Natsume from Bitch Gakuen
https://vndb.org/c63053
Where she fucks the protagonist to learn why her sister would give up her chastity to this guy and gets addicted to sex.
Marina
https://vndb.org/c8482
Who's a childhood friend of the protagonist who he corrupts until she's pregnant.
And
https://vndb.org/c1284
Who ends up in a lesbian relationship with her own two daughters after she fled to a monastery after giving birth to them to become a nun but was tracked down and eventually gives in to the pleasure of lesbian sex with her own daughters.