If you've ever been in a situation where there's no toilet and the only clean toilet is in a mall 10 kilometers away with a very long line in the middle of a massive rally, you'd be obsessed with toilets too.
Briefly I mistook useful hero for our MC the toilet hero and thought "nice, that explains why those two girls still drag around this toilet fetishist" - but nah, toilet hero still useless w
Toilet MC is confirmed to be the lowest scum of the earth, the type of man who holds conversations in the bathroom. It is a place for silent reflection, not mindless chit-chat.