Rina Aizawa

[nateki]

Japanese model - she's probably a bit thin for a lot of you guys here but she has that smooth long line type of spine that's less bumpy than curvier/more muscular girls.

some of her back:



showing some spine:



screens from an old video where they try to only show her spine in the distance:



and for anyone else who's just into the super skinny / bony body type:

[nateki]

[BFG1000]

she does look way too skinny to me but this pic, wow...