Phi Brain: Kami no Puzzle

A high school student excels at solving puzzles and is drawn into a dangerous challenge created by a mysterious organization. This challenge is a deadly maze filled with traps, where failure to solve the puzzles results in death. Alongside a childhood friend, the student successfully navigates the initial test and becomes part of a group known as Solvers. As a Solver, they travel the world with others, attempting to solve the lethal riddles left behind by the organization. Each new puzzle presents a potential threat, but the student consistently works to uncover and resolve them.