Claim: The chapters of Tomie were first released in the manga magazine Weekly Shōnen Jump, later being published in an omnibus and as volumes.
Evidence: Tomie was Ito's first published work he originally submitted to Monthly Halloween, a shōjo magazine in 1987, which led to him winning the Kazuo Umezu award. Tomie is published by Asahi Sonorama and appeared as a serial in the manga magazine Monthly Halloween from 1987 to 2000.