한 Ryoga Ryoga (リョウガ) is a South Korean Male Artist(Born in Japan). He started in group KO1KEYZ. Read All General Information International Stage Name : Ryoga Domestic Stage Name : リョウガ Full Name : Iizuka Ryoga Full Domestic Name : 飯塚亮賀 Date of Birth : 2005-01-21 (age 21) Zodiac : Aquarius Country of Birth : Japan Related Artists : KO1KEYZ Original group : KO1KEYZ Images