Phi Brain: Kami no Puzzle  

Phi Brain: Puzzle of God, ファイ・ブレイン 神のパズル

Daimon kaito is an avid puzzle enthusiast who has devoted his life to solving brain teasers and riddles. he attends root academy with nonoha but spends most of his time working on puzzles. kaito is one of the few gifted teenagers at the school, earning him the title einstein alongside other brilliant classmates named galileo, edison, and da vinci. the group works together to solve a centuries-old puzzle that has never been solved before. however, they soon discover that there are sinister forces behind this seemingly impossible challenge.

Phi Brain: Kami no Puzzle is based on Sunrises original TV anime series of the same title.