virgin knight who is the frontier lord in the gender switched world

faust was brought up by his mother as a unique male knight after being reborn into a world where women rule and men’s morality and chastity are inverted. he quickly rises to the status of war hero and has a long list of accomplishments, but because he carried over his previous way of thinking, he experiences constant pain in his groin when confronted with people like a scantily dressed queen who might as well be in the nude or the sexual harassment of the well-endowed duchess he considers a friend, among others.