EnigmaEnigma.

Enigma (Japanese: エニグマ, Hepburn: Eniguma), stylized as ǝnígmǝ, is a Japanese manga written and illustrated by Kenji Sakaki. It was serialized in Shueisha's shōnen manga magazine Weekly Shōnen Jump magazine from September 2010 to October 2011, with its last chapter published in Jump Next! in December of that same year; its chapters were collected in seven tankōbon volumes.