So Yamanaka was born on 30 January 1972 in Ibaraki, Japan. He is an actor, known for Bill'i Öldür: Bölüm 1 (2003), Bill'i Öldür: Bölüm 2 (2004) and Kamen raidâ x Kamen raidâ W & Dikeido Movie taisen 2010 (2009). He is married to Momoko Yamanaka.