Reira attends a cooking class, gradually deepening her relationship with the chef through daily lessons. One day, her former classmate Ayase—someone who always came second to Reira in the past—joins the class. Her jealousy grows stronger each day, and eventually she discovers that Reira is having an affair with the chef. In that moment, Ayase resolves to steal the chef from Reira and make him her own lover. The story unfolds as a fierce emotional battle between the two women.