
they r so freaking cute, chika somehow started to want to make him happy instead of just guilt... he wanted to make him happy when he was a student , yes, but along the line he did not notice it, how he felt in place and free, and that he does not need to do anything to be welcomed, if that did not make him happy already then what r u gonna do chika?

new information: seme does not know what love is, then how dare u call it just playing for fun with aoki? u don't know your self yet, lol, AND FOR THOSE STILL THINKING HE'S TRYING TO HEAL AOKI,grow up...

Just because someone doesn’t know what love is doesn’t give them the right to exploit someone’s abusive childhood and treat them like a toy against their will and without their consent...

i'm not gonna even reply, i'll just copy what @kris said... Sorry for the unpopular opinion: At the end of chapter 2, aoki sensei goes to the nurse and follows what he said about locking the door... from that moment he knew what he was doing. Tengoku is not trying to "cure his trauma through rape", aoki is a masochist, mainly because of his trauma but he still is (and is not bad to be a masochist), we know that from the beginning, but he still doesn't want to accept himself. Basically it looks like he is constantly harassed, but as happened in chapter 4, he clearly was calling for Tengoku when trying to masturbate in the bathroom... he is confused about his masochism and Tengoku's persistence actually does help him to accept himself more. Aoki is just lying to himself constantly, so as much as it looks like the typical overly romantized yaoi rape, but it is not the same because the uke IS a masochist and likes to be forced, tied, and all that stuff.
As an example: Ten Count does a very similar thing, the seme constantly says "I'm just doing what you want me to do" because the uke just doesn't accept his desires.
These are very particular cases in which "NO" means "YES, BUT I DON'T WANT TO ADMIT IT"
It's a more complicated manga than some people may think, I mean the "psychological" tag IS RIGHT THERE.
...
yes he does not know about love, that's no reason to be abusive at sex but look he has an even better reason, the uke likes it... now child go trying to push your ideals on aoki and say as much as u want...

yes tho it needs something eles, everyone is not talking about how tengo keeps saying things like *u r okey as u r* , and things like take care... things that his mother never said to him... i don't know if he's saying these things for playing as well or is actually giving the effort to value aoki's real self and how he works hard... which is likely what it is since he knows about his taruma but does not know what it is exactly... *yes in this extra he figured his mother complex but still does not know the reason is that his mom never saw him for his true self and kept asking him to rank higher and all that*... OR it's just tengo's good nature when it comes to dealing with other's problems that he's not aware of it which make him seem ''kind'' ... this is cute but i'm way ahead of the story so don't get shocked lol
and off go my ship of the mc with that married man, was shocked to know it... unrequited love and then shitty dick with shitty workhood, hang in there mc, i can totally see this as story in which the mc says life is shit, let's off my self...