Morioka was born in
Ozu on 12 August 1973. After graduating from high school, he joined
Gamba Osaka in 1992. He debuted in 1993 and played many matches as offensive midfielder from 1994. His opportunity to play decreased in 1998. He moved to
Kyoto Purple Sanga in 1999 and
Vissel Kobe in 2000. He returned to Gamba in 2002. Although he played many matches in 2002, his opportunity to play decreased from 2003. In 2006, he moved to
Regional Leagues club
Banditonce Kobe (later
Banditonce Kakogawa). He retired end of 2008 season. ==National team career==