It all started when the gates of the other world opened on earth. The current state of society is changing rapidly where the most striking change is male superiority falling to the bottom due to the peach that only gives strength to women. Toji as the last warrior family with the family motto Live to be strong. And as a tradition passed down, men in this family are not allowed to be weak even if the world has changed. Then, at the time of his high school graduation he had a strange incident where he was dragged into the world on the side of the gate called Mato. This is the story of his journey that will face various dangers coming from the gate side world called Mato