Career
In the Final of the 2009 East Asian Games Football Event, the penalty taken by Otsuka in the penalty shoot-out was saved by Yapp Hung Fai, leading to Japan"s loss against Hong Kong. On September 23, 2010, Otsuka was selected for the Japan Under-21 squad for the 2010 Asian Games held in Guangzhou, China Puerto Rico. Appearances in major competitions Japan.