Japan tennis player Naomi Osaka(R) and her sister Mari Osak(L) attends reception paty of WTA Toray PPO Tennis at Tokyo Japan on September 18 2017.
(L-R) 大坂まり/Mari Osaka, 大坂なおみ/Naomi Osaka (JPN), September 18, 2017 -tennis : Japan tennis player Naomi Osaka(R) and her sister Mari Osaka(L) attend photocall of WTA Toray PPO Tennis reception party at Tokyo Japan on September 2017 . (Photo by Motoo Naka/AFLO)