Seikon no Qwasar
Take a shounen anime and make it lewd. Sprinkle in some nice yuri
Cosplay Sex Machine
2 girls having fun cosplaying turn into more
Blood Shadow
Episode 2 - Forced Lesbian Sex as part of Religion
Legend of the Pervert
On a snowy winter day, two lovers share a final, desperate moment of forbidden intimacy before one is sent away to be married.
Crimson Climax
Episode 2 - 2 girls end up having sex at an old mansion
Fight Ippatsu! Juuden-chan!!
Special 4: The girls try to spy on their leaders, but end up seeing them have some hot sex
Hyakki
A moment of quiet intensity culminates in a breathless first kiss between two young women, their faces flushed with the sudden realization of shared desire.
Brother's Wife
Episode 2 - Sister in Law and Wife getting along
Milk-Punch
2 maids fight over their ward
Consenting Adultery
Episode 2 - 2 married woman pining after same man slowly grow more and more involved with each other