JUTN-020 The No.1 individual photo idol, rena-chan (aoi rena), who earns designations and pocket money through secret services for fans attending personal photo sessions.

At a photo session in a certain location within Tokyo, a girl named Rena-chan consistently holds the number one spot in popularity every month. Despite her cute appearance, she has another side that provides lewd services to receive requests and pocket money from fans, making her quite a shrewd girl. Perhaps it's necessary to do such things to maintain popularity in the fierce competition among individual photo idols… One day, she successfully managed to take a fan on an outdoor date with the promise of buying him a present. Little did she know, a sinister hand was lurking ahead for the girl！！