Diary of Debug is a supernatural story in the M-Series. The story is set a few months after Diary of Broken and follows the adventures of Naoko "Debug" Asahi, who develops a crush with fellow CCB member, Vinci "Filter" de Parda. She suffers almost the same kind of fate as her senior, Broken, and also takes revenge on her murderers. Later on, she meets Kurumi Murasaki (of Inochinureta) and makes a deal with her for the sake of the club.
Read the full story here.