한 Kosuke Kosuke (コウスケ) is a South Korean Male Artist(Born in Japan). He started in group KO1KEYZ. Read All General Information International Stage Name : Kosuke Domestic Stage Name : コウスケ Full Name : Terui Kosuk Full Domestic Name : 照井康祐 Date of Birth : 2007-12-02 (age 18) Zodiac : Sagittarius Country of Birth : Japan Related Artists : KO1KEYZ Original group : KO1KEYZ Images