Japanese model/actress/singer with a bit of a muscular/athletic body type and nice lean spine.
favorite pic of her really showing off her lean bumpy spine:
(https://t12.pixhost.to/thumbs/1088/578521018_nana-asakawa-spine-001.jpg) (https://pixhost.to/show/1088/578521018_nana-asakawa-spine-001.jpg)
some others:
(https://t12.pixhost.to/thumbs/1088/578521020_nana-asakawa-spine-002.jpg) (https://pixhost.to/show/1088/578521020_nana-asakawa-spine-002.jpg) (https://t12.pixhost.to/thumbs/1088/578521026_nana-asakawa-spine-003.jpg) (https://pixhost.to/show/1088/578521026_nana-asakawa-spine-003.jpg) (https://t12.pixhost.to/thumbs/1088/578521050_nana-asakawa-spine-004.jpg) (https://pixhost.to/show/1088/578521050_nana-asakawa-spine-004.jpg) (https://t12.pixhost.to/thumbs/1088/578521055_nana-asakawa-spine-005.jpg) (https://pixhost.to/show/1088/578521055_nana-asakawa-spine-005.jpg) (https://t12.pixhost.to/thumbs/1088/578521057_nana-asakawa-spine-006.jpg) (https://pixhost.to/show/1088/578521057_nana-asakawa-spine-006.jpg) (https://t12.pixhost.to/thumbs/1088/578521063_nana-asakawa-spine-007.jpg) (https://pixhost.to/show/1088/578521063_nana-asakawa-spine-007.jpg) (https://t12.pixhost.to/thumbs/1088/578521071_nana-asakawa-spine-008.jpg) (https://pixhost.to/show/1088/578521071_nana-asakawa-spine-008.jpg) (https://t12.pixhost.to/thumbs/1088/578521075_nana-asakawa-spine-009.jpg) (https://pixhost.to/show/1088/578521075_nana-asakawa-spine-009.jpg)
and her lean back:
(https://t12.pixhost.to/thumbs/1088/578520927_nana-asakawa-back-001.jpg) (https://pixhost.to/show/1088/578520927_nana-asakawa-back-001.jpg) (https://t12.pixhost.to/thumbs/1088/578520931_nana-asakawa-back-002.jpg) (https://pixhost.to/show/1088/578520931_nana-asakawa-back-002.jpg) (https://t12.pixhost.to/thumbs/1088/578520936_nana-asakawa-back-003.jpg) (https://pixhost.to/show/1088/578520936_nana-asakawa-back-003.jpg) (https://t12.pixhost.to/thumbs/1088/578520942_nana-asakawa-back-004.jpg) (https://pixhost.to/show/1088/578520942_nana-asakawa-back-004.jpg) (https://t12.pixhost.to/thumbs/1088/578520965_nana-asakawa-back-005.jpg) (https://pixhost.to/show/1088/578520965_nana-asakawa-back-005.jpg) (https://t12.pixhost.to/thumbs/1088/578520977_nana-asakawa-back-006.jpg) (https://pixhost.to/show/1088/578520977_nana-asakawa-back-006.jpg) (https://t12.pixhost.to/thumbs/1088/578520991_nana-asakawa-back-007.jpg) (https://pixhost.to/show/1088/578520991_nana-asakawa-back-007.jpg) (https://t12.pixhost.to/thumbs/1088/578521013_nana-asakawa-back-008.jpg) (https://pixhost.to/show/1088/578521013_nana-asakawa-back-008.jpg) (https://t12.pixhost.to/thumbs/1088/578521017_nana-asakawa-back-009.jpg) (https://pixhost.to/show/1088/578521017_nana-asakawa-back-009.jpg)