Tamagawa-san Detemashita?

A well-known adult video actress named Miyama Yuri announces her sudden retirement, leaving her devoted fan and convenience store manager, Shikishima, uncertain about the future. Around the same time, a new applicant named Tamagawa-san joins his store. She looks remarkably like Miyama Yuri, which causes Shikishima to hesitate. He considers asking if she has ever worked in the adult entertainment industry but is hesitant due to the current sensitivity surrounding such topics. The true identity of Tamagawa-san remains unclear.