In chapter extra.3 they're doing a non-con play. They're both consenting and have talked through it first, but it's still rape play so I'm putting a warning.
In chapter extra.4 and 5 one of the MC is dreaming and in his dream he's caught of guard with a threesome. It's very uncomfortable and the MC did not consent to it.
Chapter 6 is an extra chapter and NOT important to the story. The uke says no but the seme persist.
Skip 5.5 "sex" with someone who's asleep
TW for age gap, but both are of legal age OFC
One forced kiss at one point, but consent is handled really good otherwise making it get a place on this list.
While there’s consent between the main charas it starts with one of them using sex as a coping mechanism. It’s not super explicit but it’s there. Keep that in mind deciding whenever to read this or not!
The Good Teacher