@LysandersTreason wym, correct me if I'm wrong but I'm pretty sure it's stated something like that. He's in a teenager body that is full of hormones and shit so it clashes with his adult mind.
I mean... He's 30 yet he acts like a child, it's like the author forgot what age he is really. Even if that is your childhood crush I don't think you'd be that reserved if you went back in time.
But then again, the sensei has no problems sleeping with a minor so eh.
in my humble opinion he just dont go all out cuse he know his age and if shit go down she will lose job and go to jail. and beacuse he is 30y he can control himself
Okay YES he has the mind of a older man, but he’s in a teenagers body now, so he’s still in puberty which is why he acts like a teenager. Though that is just a theory but it’s fiction so what does it matter? When has logic applied to manga anyways?