Protect the world through the power of bonds! Here begins the Master's great adventure!!! Vestria, a parallel world where only men exist. This land, inhabited by a variety of species, is under the control of angels, who are trying to lead humans to a utopia, and demons, who exercise their greed a depravity to their utmost extent. Our protagonist, who was reincarnated in Vestria by the God of Creation and the original God King, Arche, embarks on a journey of salvation as the Master!