Lee Je-na

A female internet novel author falls under a spell once a month that transforms her into a man! Her boyfriend has tried everything, but it's no use, and the only way is to ejaculate! She becomes more and more exhausted due to her rapid hormonal changes, and her boyfriend, who had been helping her, also begins to get tired of her. At the end, she decides to try her last resort.

Na-moo, heartbroken after breaking up with her girlfriend, accidentally sees a post selling sex robots on the internet and purchases one that can love him unconditionally. He gradually falls in love with her sex bot, 'Fairy', and when his friend Seok-jin finds out about it, he visits his house and asks him to share his robot. But when Na-moo rejected his friend's request, Seok-jin secretly stole the operating command of the sex robot and had sex with 'Fairy'.

A woman who has a strong sexual desire! Not wanting to engage in promiscuous relationships with men every time her sexual desire peaks, Je-na, who has become deeply absorbed in watching adult videos using a VR device, immerses herself in various situations and transforms into a different person to engage in a variety of sexual acts, then begins to masturbate with it. She becomes addicted as she virtually enjoys the fantasy sex she has always wanted to try.