Yumi Osako Name: Yumi Osako Date of Birth: Height: , Cup Size: UnknownSign: UnknownBlood Type: UnknownBirthplace: Unknown Watch JAV Movies Yumi Osako has appeared in You may also like the following JAV Idols... Hinano Uehara Manami Chihiro Mika Utaga Seira Sonoda Rui Asahina Yuri Akamatsu