U.M.E.D.Y.

Umehara Masaru (梅原大), known by his pseudonym U.M.E.D.Y., is a Japanese rapper. He has provided rap vocals, chorus vocals, and arranged rap lyrics for Hello! Project songs since 1999. He stopped working with Hello! Project in late 2000 after "Ren'ai Revolution 21" for unknown reasons, but returned ten years later to work on "Odorou yo."

He is former member of the hip hop unit EDU.

Berryz Koubou

 * Loving you Too much (Rap arrangement)

Hello Pro Kenshuusei

 * "Koi Shitai Shintou" (Rap lyrics)

Morning Musume

 * Wasurerannai (Rap)
 * WHY (Rap arrangement)
 * Ren'ai Revolution 21 (Rap)
 * Silver no Udedokei (Rap arrangement)
 * What's Up? Ai wa Dou na no yo~ (Rap arrangement)
 * Watashi no Dekkai Hana (Rap arrangement)
 * Funwari Koibito Ichinensei (Rap arrangement)
 * TIKI BUN (Chorus)
 * Waraenai Hanashi (Chorus)
 * Seishun Kozou ga Naiteiru (Chorus)
 * Jealousy Jealousy (Rap arrangement)

S/mileage

 * Odorou yo (Rap lyrics)

Taiyou to Ciscomoon

 * Sunrise Sore Demo Hi wa Noboru (Arrangement)