Middle-aged teacher, Mato Mikio, dies of natural causes on the day he discovered and took revenge on the mu*derer of his wife and daughter. However, his spirit was transported to a strange world and got transferred in the body of a boy named Ricardo Unius. This strange world is called the “Playground of the Heavenly Gods”, where magical beasts and magic exist. In this world when a human kills a magical beast for the first time, they will receive a divine blessing. The blessing was given in the form of a choice of one out of five. However, in Ricardo’s case, a sixth option appeared.　 This is the story of Ricardo (Mato)’s choice to become a sorcerer along with his growth.