Shinpei discusses with his perverted friends and Junichi about job placings posted on the internet and decided to work for their preparation on the upcoming summer vacation. Junichi applies for a kitchen staff on a cosplay-themed cafe and it happens as Yukana, Ranko, Yui and Nene work as cosplayed waitresses on the same workplace. As days pass on their part-time jobs, the cosplay-themed cafe where Junichi and the girls working, the supervisor had a nefarious plan to hold an event that will somewhat boost the cafe...