Sōgiya Riddle
Manga
Sōgiya Riddle is a Japanese manga by Higasa Akai, serialized on Square Enix's web comic site Gangan Online from May 28, 2009 to March 7, 2013.
Translated from the Japanese Wikipedia article, available under CC BY-SA 4.0. Translated and shortened by ManhWatch AI; may contain errors.