Sumomo Yumeka

 is a Japanese manga artist, who also writes as She writes in a variety of demographics, publishing yaoi manga as Sumomo Yumeka and "seinen" manga as Mizu Sahara She is best known in the west for "The Day I Became a Butterfly" and "Same Cell Organism", both under the Yumeka byline, and the manga adaptation of "Voices of a Distant Star" under Mizu Sahara. Her series "My Girl" is being adapted as a live-action television series which began broadcasting in October 2009.