As a Japanese national treasure swimmer, Seto also won the men's 400m medley gold at the 2013 Barcelona Swimming World Championships, and successfully defended his title at the 2015 World Championships. He also won the 200m medley championship at the Gwangju World Championships last year. . 2017 with Chinese
作为日本国宝级游泳选手，濑户还曾在2013年巴塞罗那游泳世锦赛上获得男子400m混合泳金牌，并在2015年世锦赛上成功卫冕冠军。去年，他还万博体育官网地址在光州世锦赛上赢得了2亿个混合泳冠军。 。 2017中文
After the derailment, the sponsors have removed Seto Oya's advertisement, and Seto Oya lost more than 100 million yen. Regarding the suspension of the Japan Swimming Association, some Japanese media believe that it is reasonable that athletes must maintain a good civic image and contribute to the promotion of the social status of swimming. Some Japanese netizens felt that the punishment was too heavy, the swimmer was not a star, and his performance was so good. And many female netizens think that the punishment is heavy and it's okay. "When I saw him swimming, I remembered that he had derailed." Faced with the controversy, the Japan Swimming Association said it will discuss this penalty decision again.