Yuna, an extremely simple girl who works part-time at a pharmacy. She is considered an otaku by others and does not have any femininity at all. Therefore, until now, Yuna has never had a boyfriend. But her desire was great, she was immersed in comics, fantasized about having sex with men, and even, Yuna lost her virginity with her sextoy... Matsuyama is Yuna's colleague. Recently, he was kicked by his ex-girlfriend, so upset that he used Yuna as a replacement. Yuna felt extremely happy when she had a lover for the first time. Holding hands for a walk, enjoying a real warm cock. Yuna has changed both her appearance and personality. More fun, more beautiful and charming. But it wasn't long before Matsuyama broke up with her, the reason being that his ex-girlfriend wanted to get back. Yuna was back to the way she had been before, and was about to move forward with Sato when Matsuyama found out. He was determined not to let Yuna fall into the hands of others. Because after breaking up with her, he realized he truly loved Yuna, who always treated him sincerely, unlike that other girl. And from then on, they lived happily together ever after...