Konjiki no Gash!!

Kiyo is a high-achieving junior high student whose academic success and self-confidence have made him a target for ridicule. For his birthday, his father gives him an unusual gift: a small boy named Zatch Bell, meant to help him improve his behavior and social skills. Zatch arrives with a mysterious red book of spells, and Kiyo learns that Zatch can perform magic by reading from it. As they spend time together, unexpected events begin to unfold, altering the course of Kiyo's life in ways he never imagined.