Hikari Mitsui, a rookie who was selected for the station's signboard program and was at the height of her popularity, married a professional baseball player, and her work and private life went smoothly. - Her boss's veteran female announcer, Maki Hojo, also loved Hikari. - As a subordinate of her expectations, as a woman ... - However, her senior female announcer, Ichika Kamihata, was jealous of Hikari, who robbed her of her position and even the heart of Maki, whom she had longed for before. - And one day, Ichihana sees a secret sexual intercourse with Maki and Hikari can't control her jealousy ...