Arc System Works Co., Ltd. (アークシステムワークス株式会社, Āku Shisutemu Wākusu kabushiki gaisha), commonly referred to as ArcSys, is a Japanese video game developer and publisher located in Yokohama. Founded by Minoru Kidooka in 1988, the company is known for arcade 2D fighting game franchises, including Guilty Gear and BlazBlue, as well as other license-based fighting games for Dragon Ball FighterZ, Persona 4 Arena (Ultimax), Granblue Fantasy Versus (Rising), and others.

https://en.wikipedia.org/wiki/Arc_System_Works