Nagayoshi Yuya (L) of Japan competes during the men's basketball group match between Japan and Chinese Taipei at the 18th Asian Games in Jakarta, Indonesia, Aug. 14, 2018. Four Japanese basketball players have been punished and sent back home for buying sex while participating in the 18th Asian Games, the Japanese Olympic Committee (JOC) said here on Monday. (Xinhua/Ding Ting)