The Mad Prince's Distorted Love Prisoner ~ A Genderbent Knight

Warning: This manga contains Rape & Sexual Violence. Read at your own risk! Elsaid the Knight, who returned after defeating a monster, requesting to marry the royal princess & become parts of the royal family as a reward. The 1st prince, Viktorich, welcomes Elsaid and invites him to a grand banquet. The princess offered a toast, after drinking Elsaid fell unconscious and when he wakes up, he has turned into a woman. Viktorich whispered, “I’ll make you a member of the royal family if you give birth to an heir from either one of our 4 princes”.