Nitroplus
Nitro Plus, sometimes written as Nitro+, is a Japanese visual novel developer that has developed a number of visual novels, including eroge. They have been collaborating with TYPE-MOON (another developer) to create the light novel series, Fate/Zero. They also have a branch of the company called Nitro+Chiral, which focuses on BL visual novels. Their works usually have dark themes such as reanimation of the dead and murder.
Nitroplus is credited as an author on 8 readable works in this catalogue, with publication years from 2009 to 2014.
Common themes in this collection include Sci-fi, Drama, Seinen, Mystery, Shounen, Female Protagonist.
Metadata source: AniList