Once, Rui has aimed at a singer However, now, she was frustrated and was doing the hostess s work in the country When Rui goes home together with a friend s Tsunko, She met Momoko, the rival at the time of her having aimed as a singer Momoko became an idol singer and was successful On the grounds that Momoko has ridiculed Rui, Rui killed two friends, her and her In order that Rui may escape a crime, She formed the idol group together with Tsunko pretending to be Momoko and others