Phi Brain - Kami no Puzzle

Puzzle enthusiast Daimon Kaito has spent his life solving brainteasers, riddles, and other puzzles. At the prestigious Root Academy, he is one of a handful of gifted students known by titles such as Einstein, alongside classmates called Galileo, Edison, and Da Vinci. His friend Nonoha attends the academy as well, while Kaito devotes much of his time to making and solving puzzles. Together, the brilliant students take on a puzzle that has remained unsolved for centuries. As they work to unravel it, they discover that dangerous forces are tied to the seemingly impossible challenge.