Career
Ossan made his senior debut for Sanfrecce Hiroshima on 3 May 2006, at Komaba Stadium against Omiya Ardija. He replaced Hisato Satō after 75 minutes in a 1–0 victory for Hiroshima. On 1 February 2010, Ossan joined J. League Division 2 side Tokushima Vortis on loan until January 2011.
On 17 December 2010, Ossan signed a permanent deal with Tokushima until the end of the season after having his contract cancelled by Hiroshima.
