In a cooking class attended by Reira, she was having an affair with the chef. When her classmate Ayase joins the class, Ayase has always been popular with men but felt like second best due to her past experiences. One day, Ayase discovers that Reira is cheating on her husband with the chef. Determined to take revenge, Ayase sets out to seduce the chef away from Reira and make him hers alone.