Yuna, a very simple girl working part-time at a pharmacy. She is considered an otaku by others and does not have any femininity. So far, Yuna has not had a boyfriend. But her desire is very strong, she is immersed in comics, imagining making love with men, and even lost her virginity with her sextoy... Matsuyama is Yuna's colleague. Recently, he was dumped by his ex-girlfriend, so he used Yuna as a replacement. Yuna felt extremely happy to have her first love. Holding hands, enjoying the warmth of a real penis. Yuna has changed both her appearance and personality. Happier, more beautiful, and more attractive. But not long after, Matsuyama broke up with her because his ex-girlfriend wanted to come back. Yuna returned to her old self, was about to move on with Sato when Matsuyama found out. He was determined not to let Yuna fall into someone else's hands. After breaking up with her, he realized that he truly loved Yuna, she always treated him sincerely, unlike the other girl. And from then on, they lived happily ever after...