When famous porn actress Yuri Miyama announced her shocking retirement, Shikishima, a convenience store manager and superfan, fell into despair. One day, a woman named Tamagawa, who looks just like Yuri, comes to interview for a part-time job at his store! Shikishima is desperate to find out if she is who he thinks she is but knows he can't ask her directly. In order to uncover Tamagawa's potential secret identity, he and his other porn-loving co-worker come up with one absurd plan after another... Just who is Tamagawa, really?