I gotta say, a fucking beta male mc right there...... It is even worse with all his background... Fuck this, obviously this is going the OP harem route and that is just disgusting if the mc is a beta japanese male.
Why getting embarrased when groping someone's breast if you're that allmighty. Just say sorry and don't act like a damn shitty embarrased person, holy fuck.
At least the girl acts normal and don't slap you right there even though the mc earned it when he acted like that.
This manhua is already dead in my opinion even though it was already crap when it began.