Phi Brain: Kami no Puzzle

Daimon Kaito is a puzzle enthusiast who has dedicated his life to solving riddles and brain teasers. He and Nonoha attend Root Academy, a school for gifted students. Kaito is among a group of teenage geniuses, each given a title such as Einstein, Galileo, Edison, or Da Vinci. They work together to solve an ancient puzzle that has never been completed. As they progress, they discover that the puzzle is connected to dangerous forces.