The protagonist of this story obtains a strange fantasy tool, which allows him to take over the skin of any woman with a simple prick.He decides to test the tool on his younger sister, and she gradually disappears, leaving only her outer skin as if it were a disguise. By putting on the skin, the protagonist becomes his sister, not only in her physical appearance, but also in her voice, memories, and all the sensations of a woman.Fascinated by this wonderful invention, he decides to test it on the girls at school and the teacher at the health center, but he soon realizes that having a female body can be very addictive.
