When he opened his eyes, he found himself in an unfamiliar forest. Beside him were a talking bird and a giant cat sleeping peacefully. Then he realized something shocking: he had become tiny. Guided by a cry for help, Sota is reincarnated into this world in the body of a three year old child. After waking Haku, the giant cat who ruled the forest and was unknowingly causing a terrible drought, from his nap, he suddenly becomes the focus of attention for every race in the land. A heartwarming fantasy begins as Sota does his best in his tiny body while living in the forest alongside fluffy divine beasts.