Satoshi Shiki is a japanese manga artist whose works include Kamikaze and Riot. He's also an artist of hentai manga, and this influence can be seen even in his non-hentai works like Kamikaze and Daphne in the Brilliant Blue. 

 

Following the end of his previous work is XBlade in the magazine Monthly Shōnen Sirius. Shiki is confirmed to work on the manga adaptation of Attack on Titan: Before the Fall, a light novel that acts as a prequel to the Attack on Titan manga series, also at Monthly Shōnen Sirius.