He is best known as the writer and artist for the Dogs manga series, but has also contributed illustrations to various tribute books, and magazines, including Square Enix's Monthly Shōnen Gangan.
Miwa also worked on the character designs for most games in the 7th Dragon series and Soul Hackers 2.
Shirow's debut manga, Black Mind, a short series created in collaboration with Darai Kusanagi, was serialized in Ultra Jump in 1999,[1] and was followed by his first solo series, Dogs, which was serialized from 2000 to 2001.
Shirow also made the character designs for the anime Joker Game and Kiznaiver in 2016.
He has also worked with Rooster Teeth to make a novel for their animated series RWBY, which was published on May 19, 2017.