Kiraide Isasete
ones a student and acts as a housemaid around the house but then as time goes on he "cant" control his urges and ends up having a sexual relationship with the dad.. it gets more two sided, and its not like very forceful rape, but its still there.
Sukijanaitte Hyakkai Tonaeta
apparently there's rape, its really fucked up, but it's real interesting (plus maybe cute babies)
Shounen No Kyoukai
momobutt said one of the best omegaverse they've read- multifaceted characters. rape, "author was able to give justice to the feelings of the character"
Ookami-sama no Ichizu na Bouai