Blurb
[DeepL Translation - needs review] Volume 1: Solve the riddles that appear one after another and escape from the space of death! The latest work by Seimaru Amagi, the original author of "Kindaichi Shonen no Jikenbo", with a genius newcomer, Eiji Ishibiki! Anyone can enjoy and love arithmetic and mathematics! A boy, Kazuma, who has lost all his memories, finds himself trapped in a mysterious space. However, in this space, he is required to challenge "riddles" that appear one after another, ri...
