Alya Sometimes Hides Her Feelings in Russian (Japanese: 時々ボソッとロシア語でデレる隣のアーリャさん, Hepburn: Tokidoki Bosotto Roshiago de Dereru Tonari no Ārya-san), abbreviated as Roshidere (ロシデレ), is a Japanese light novel series written by SunSunSun and illustrated by Momoco. It was originally published online as two short stories on the novel publishing website Shōsetsuka ni Narō from May 6 to May 27, 2020, respectively. It was then acquired by Kadokawa Shoten, who have published the series since February 2021 under their Kadokawa Sneaker Bunko imprint. A manga adaptation by Saho Tenamachi began serialization online in Kodansha's Magazine Pocket app and website in October 2022. An anime television series adaptation produced by Doga Kobo is set to premiere in July 2024. Source: Wikipedia (en)