Dmitry Iliich Volynkin, professionally known as Øneheart in the ambient genre and hisotsu in the lo-fi jazzhop genre, is a Russian music producer. Dmitry initially ventured into music production within the trap genre before Øneheart.

The debut of hisotsu occurred in November 2020 with the single "Coffee Shop," a collaborative effort alongside RejSende. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.