Phi Brain (Cantonese) - 神之謎題

神之謎題 / ファイ・ブレイン 神のパズル
Kaito,a puzzle-loving high school freshman, is selected as a candidate for "Phi Brain". He and his friend Nonoha find an "unsolvable puzzle" near their school. The puzzle turns out to be a life-threatening "philosopher's puzzle" created by the mysterious group P.O.G. (Puzzle OfGod). After successfully solving the puzzle, Kaito is designated as a Solver and is joined by other Solvers as they battle P.O.G. all over theworld by solving the "philosopher's puzzles".