ファイ・ブレイン 神のパズル

Kaito Daimon, a sixteen-year-old who lives to crack puzzles, receives the Armband of Orpheus, a device that unlocks the full force of his mind at the cost of draining him. Enrolled at Root Academy, he is set against POG, a secret organization that builds lethal Sage Puzzles, and takes the name Einstein for clearing one. With friends Nonoha and Gammon at his side, Kaito works toward the deadliest test of all, the Puzzle of God.