Arms Corp., Ltd. (有限会社アームス) was a Japanese animation studio based in Suginami, Tokyo and active from 1996 to 2020. It is mostly known for being the studio that created the popular anime adaptation, Elfen Lied
History
The studio was formed on November 18, 1996 as a split from Studio Kikan to operate the company's hentai brands. Studio Kikan was already producing hentai under its own name and the pseudonyms Triple X and Dandelion. When Arms was founded, the company took over all hentai-oriented works but continued using the Triple X and Dandelion brand names, as well as creating its own Garyuu Studio, until about 2002.
The animator and character designer Rin Shin is the chief animation director for several productions by Arms which tend to have an above-average amount of fan service, for example the Ikki Tousen and Queen's Blade series. She also developed the character designs for I"s Pure.
After its founding, ARMS was, at first, a producer of hentai (most notably its productions with Green Bunny