Hikari Mitsui, a popular new announcer who was selected for the station's flagship program, married a professional baseball player and was doing well both at work and in her private life. Her boss, veteran female announcer Maki Maki Hojo, also Ke'ai her. As a subordinate and as a woman... However, senior female announcer Kamitoda Ichika was jealous of Hikari , who had taken her position and Hikari the Kokoro of Maki, whom she had long admired. Then, one day, Ichika saw Maki and Hikari having sex in secret and could no longer suppress her jealousy...