Kagerou Daze (カゲロウデイズ Kagerō Deizu) is a manga series written by Jin (Shizen no Teki-P) and illustrated by Mahiro Satou. It debuted on June 15, 2012, and from then on serialized in the Japanese magazine Monthly Comic Gene. After the first 4 chapters were released, Media Factory published the first official volume of the manga. The manga originally started as an adaptation of the light novel series, but Jin decided to give it an original story partway through, making it it's own path. The series, along with the light novels, are licensed by Yen Press in North America.
The manga has entered the climax of the story according to the 11th volume.