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... Mayumi Natsukawa Nachi Igawa Kiyomi Mori Kaori Takeuchi Marika Hase Sakiko Mihara