"I'll be a vacuum cleaner!" Dowon decided to become a kisser at the kissing booth at the school festival as treatment for frigidity. However, the more people he kissed, the more his lips started to blow, when a mysterious man gave him a kiss so big that he fell into ecstasy. Dowon wants to find the identity of the unknown person, but even though he said he wanted to find it, he never thought it would be Junhyeon, the nerd otaku from our school!