Yu-Gi-Oh! (遊☆戯☆王 Yū-Gi-Ō!, lit. "Game King") is a Japanese manga series about gaming written and illustrated by Kazuki Takahashi. The plot follows the story of a boy named Yugi Mutou, who solves the ancient Millennium Puzzle. Yugi awakens a gambling alter-ego within his body that solves his conflicts using various games.