Shu lives out his first life to the age of 101 and then, upon his death, is granted reincarnation by God. He is reborn as a baby in a fantasy world and is taken in by a struggling orphanage. Under the care of its kind director and staff, he grows quickly. God also bestows on him a Tamer skill, which he uses to befriend the monsters that initially hunt him. These tamed monsters become his allies, and he begins contributing to the orphanage’s finances and security. Eventually, Shu forms an adventuring party with his monster companions and friends from the orphanage. During an expedition into a forest, he encounters a mysterious girl, setting off a larger adventure that draws on his unique abilities and his bond with the orphanage. The story follows his peaceful yet eventful life as he balances everyday moments with monster taming and exploration.