Magokoro Brothers (真心ブラザーズ) is a Japanese rock duo formed in 1989 by college friends Yôichi Kuramochi (倉持陽一, better known by his stage name YO-KING) and Hidetoshi Sakurai (桜井秀俊). They took a hiatus from December 21, 2001 to May 8, 2005, during which time both members pursued their own solo musical projects. As of 2015 they have released 39 singles and 25 albums.