Osananajimi ga Cuntboy ni Narimashite

A blonde boy wakes up to find his genitals have transformed into a vagina. He shows his childhood friend, a dark-haired boy, who examines it and then they engage in sexual intercourse. The blonde boy and the dark-haired boy finish having sex. Afterwards, they talk in bed. The blonde boy wonders what will happen if his body changes back, and the dark-haired boy reassures him that he will always like him no matter what.