It would be really cool twist if he is just schizophrenic and the hero stuff is just his delusions, that would explain him not growing as a person while in another world; and also having the other girls are just escaping reality by faking being from another world because they hate their life or...
THIS IS NOT FAIR, WHERE'S MY BROWN TANNED TOMBOY CHILDHOOD FRIEND WITH BIG BOOBS TO DATE AND MARRY AND HAVE CHILDREN, GOD PLEASE GIVE IT TO ME I BEG YOU I NEED IT!!!!!!!!!!!!!!