Three Stars from the Universe

A little fat boy who grew up in the countryside, he was a troublemaker in the village, but he was in a mess at school and was laughed at by his classmates. But the power from the alien planet changed him. From then on, he lived smoothly and was able to live and study like a fish in water. But there is a conspiracy from alien creatures hidden behind this, but he was helped by external forces without realizing it; until finally, the aliens revealed his conspiracy...