Responses
I hope so because the FL don't look like the person that will tell him to stop sleeping around. She seems like the person that will not give a damn she may even join them for a threesome.
So it depends on the ML whether he will change.
When he get together with Yoshino he'll better stop going on one night stands with other girls. Else all of us will enter and beat up that firm ass of his ಠ_ಠ