Among his most notable works are Aku no Hana (The Flowers of Evil, 2009–2014), Boku wa Mari no Naka (Inside Mari, 2012–2016), Happiness (2015–2019), Chi no Wadachi (Blood on the Tracks, 2017–2023), and Okaeri Alice (Welcome Back, Alice, 2020–2023). Several of these series have been adapted into other media, including anime and live-action movies. In 2001, Oshimi received the Tetsuya Chiba Award for best new manga artist.
