Fujisaki Aya is a carefully brought up college student. The family is 150 million yen in debt after her father's corporation was bankrupt.

18 year-old Ando Mai has always received attention from the guys in her school, which also made her a target of bullying from her jealous female classmates. Looking to overcome the trauma Mai decides to compete in the "Hostess Grand Prix" to be named the No. 1 kyabakura hostess and win the 300,000,000 yen prize.