After being discovered on the PORTALS summer mixtape, Tomemitsu released two albums on Chill Mega Chill records, 2013's m_o_d_e_s and 2015's Loaf Eye, and a split cassette titled Had A Dream with fellow bedroom pop artist Alexei Shishkin on Forged Artifacts Records in 2017. 2016 saw the first vinyl release for tomemitsu with a remix of "In Dreams" by German house ensemble, RSS Disco, and a remaster of the single on Mireia Records, now sold out. In 2017 tomemitsu began working with Echo Orange Records in France. The track "Thinkin'" is featured on the new cult sampler "Hotel Costes" in France.
Tomemitsu's 2018 EP, The Cave, released on his own Sucks About Dinosaurs Records and featured accompanying videos for each song by visionary director Cody Duncum. Tomemitsu's latest single, a cover of The Magnetic Fields "I Shatter", was released as part of the No More Dysphoria benefit compilation You Can Sing Me Anything: A Tribute to 69 Love Songs on Living Statue Records.