Ringetsu The Animation

A long time ago, a curse was cast upon the Rindo family. The curse: the family could only give birth to girls. The only way to lift the curse was to have a child from the Hizuki family. Once the curse was lifted, it would haunt the family again every third generation. Many years have passed and now, Naoto Rindo will be the unfortunate one. His former fiance from the Hizuki family has passed away due to a tragic accident and now he must impregnate one of the other four girls from the Hizukie family, however, time is running short. Will he be able to successfully impregnate on the girls with a boy? Or will the curse ruin his life, forever?