![](https://pic1.mangapicgallery.com/r/avatar/7a/u138221_50x50.jpg?2)
I know right. And he's probably gonna argue with Senpai before doing him, as is always the case with these two lol Senpai will be all "Are you crazy!? How many times do I have to say it, you're the only one I'd do this with!" and Morinaga would be all "R-really?" And Senpai will be all "No wait, I didn't mean it like that!" And it escalates into sex as per usual.
![](/images/home/manga-img-anonymous-30.png)
In which chapter ?
![](https://pic1.mangapicgallery.com/r/avatar/7a/u138221_50x50.jpg?2)
Starts around this page and continues into the next chapter.
He falls on top of Morinaga here:
http://www.mangago.me/read-manga/koisuru_boukun/mh/v08/c010/29/
And initiates the kiss here.
http://www.mangago.me/read-manga/koisuru_boukun/mh/v08/c011/16/
Then Morinaga gets hard and the rest goes on from there lol
I bet Morinaga thinks Souichi is doing it with this other guy now. He always has this kind of thoughts right away.