Hikari Mitsui, a newcomer who was selected for the station's signboard program and is at the height of her popularity, married a professional baseball player and was doing well both at work and in her private life. Such Hikari was also loved by her boss, a veteran female announcer, Maki Hojo. As her expected subordinate, as a woman... However, her senior girl Ana, Kamihata Ichika, was jealous of Hikari, who stole her own position and even took the heart of Maki, who she had longed for. And one day, Ichika, who saw Maki and Hikari's secret sexual intercourse, couldn't control her jealousy.
