Wakiya joined the giant in the fifth round of college student / social worker's draft in 2005, 36 years old from Oita Prefecture, with solid batting and solid field protection from the first year It was established in 1 army.

During the three years since 2007, he contributed to the third consecutive title of the league of the team, and in the fifth year of the professional, who played 132 games as a second regular, 15 consecutive games scores / I made it, but two years later I became a breeding player for rehabilitation from the elbow operation.

Later, in the office of Takahashi Yoshinobu taking office in office in the office of two years after transferring to Seibu by the giant's free agent gained compensation by the university Kataoka, this time the FA's rights We restored to the old-fashioned giant by exercising and supported the team by dressing hits etc.

However, this season in the third year of returning to the giant is that there has been no one military participation so far as the rise of young fielder and so on, it is that he decided to retire in this season.

Wakiya decides to announce the retirement at a press conference on the 19th.