Makai Ouji - Devils and Realist - Dairiou no Hihou (魔界王子デビルズ＆レアルイスト内裏宝, Japan) is a Nintendo 3DS game developed by Idea Factory. This is a tactical role-playing game based on the popular manga and anime series of the same name. Players take on the role of William Twining, a young student at a prestigious British academy, who discovers that he is the descendant of a noble family and the key to a hidden world of devils and angels. Players must use their wits and strategy to battle against the forces of evil and protect the world from destruction. The game features a variety of characters from the series, including Lucifer, Dantalion, and Sytry. Players must use their tactical skills to create the best party possible and lead their team to victory. Makai Ouji - Devils and Realist - Dairiou no Hihou is a thrilling tactical RPG that is sure to provide hours of entertainment.