Narrative summary
A man attending a university in city K gets drunk at a drinking party and wakes up on a Onna-zaka. Unable to identify the cause of his gradual feminization, the man is nearly drowned in sexual desire. The protagonist has sex with the women who appear when he sleeps, and after using up all of his manhood, he becomes a woman. The next night, the women reappear and have lesbian sex with the feminized man.