Ayumu Taiho, the next head of the Taiho Zaibatsu, is a high school student with good morals, excellent grades, good at sports, and outstanding popularity. However, from his mother's point of view, her son is still a half-adult... so she lectures hard every day to make him a worthy heir. Not discouraged by this, Ayumu is full of energy and innocently plays around with his classmates Aoi and others every day. His mother thought that her son was no longer obedient. In order to make him more self-aware as the next head of the family, she schemes various means without regard to pretension, but...! ?