Anime News Network is reporting that manga creator Kōji Miyata passed away on October 22, 2015 due to a cerebral hemorrhage. He was 34 years old at the time of his passing.
Miyata began his career as a manga creator in 2007, publishing his “Neko de Tandem” (Tandem With a Cat) one shot manga in Kadokawa’s Comic Beam Fellows! magazine. He published his first serialized manga, Kikimimi Zukan (Pictorial Book of Sound), in Kadokawa’s Monthly Comic Beam magazine in 2008. He serialized two other manga, Mahiru ni Miyoko (Miyoko at Noon) and Inugami-hime ni Kuchizuke (A Kiss for the Dog God Princess) in Fellows! magazine (renamed as Harta magazine in 2013).
He also published many other one shot manga, collected in the Utatane Hime (Napping Princess) and Yome ga Kore na Mon de. short manga compilations.
Source: ANN