Nishimiya Haru has been affected by special condition call omega syndrome, and could get pregnant. Surprisingly, the doctor in charge turns out to be one of his former high school classmate, Katsuragi. During their time in highschool Haru could always feel Katsuragi glaring at him whenever they met but he never knew why. This time, will Katsuragi reveal the reason of his hatred and past secrets? Will the misunderstanding get cleared up…?