A 40-year-old bachelor, whose name shall remain anonymous, masturbates excessively, loses consciousness, and seems to have lived his entire earthly life. But when he regains consciousness, there is a beautiful girl standing in front of him with a worried face. Her name is Misha, and she calls the man Norun. Misha tells him that he drowned in the river and is dying. The man didn’t understand what was happening, but what he saw on the river’s surface was a handsome boy with beast ears. The man was reincarnated in another world and became a person named Norun. The inhabitants of this world had monster ears and tails, there were more females than males, and it was a polygamous society. And Misha is the girl who becomes Norun’s first wife. Misha lived with Norun before marriage and didn’t hesitate to take off her clothes and bathe with Norun. Norun’s crotch swells as Mysia washes his body.