Kumiko Yamauchi Name: Kumiko Yamauchi Date of Birth: Height: 158 cm, 5 ft 2 in Cup Size: CSign: UnknownBlood Type: UnknownBirthplace: Unknown Watch JAV Movies Kumiko Yamauchi has appeared in You may also like the following JAV Idols... Rin Tomosaki Tsukasa Namiki Hitomi Tachibana Chika Mizuno Aki Nakamura Kaori Houjyou (aka Kaori Hojyo)