Furukawa Honpo

Fullkawa Honpo (古川本舗, Furukawa Hompo, "Fullkawa Head Office"), is a Japanese musician, who began releasing Vocaloid music under the name Fullkawa-P (古川P) in 2009. After self-releasing Vocaloid music and self-cover extended plays using his own voice, he debuted under independent label Balloom using the name Fullkawa Honpo in 2011.

(Source: Wikipedia)