Yoru Sumino (Japanese: 住野よる, Hepburn: Sumino Yoru) is a Japanese novelist currently living in Osaka Prefecture.
[4] Sumino started writing in high school.
[5] He initially submitted a story for the Dengeki Novel Prize, however after not making it past the first round of selection, Sumino revised his writing style before writing I Want to Eat Your Pancreas; the manuscript ended up being too long to be submitted for the prize.
[4] He submitted the novel to the user-generated fiction website Shōsetsuka ni Narō in February 2014 under the pen name Yasumi Yano (夜野やすみ, Yano Yasumi).
[4] He later officially debuted with the same work under Futabasha in 2015.