If you mean "Who is she?" just do a Google image search - she's called Miki-chan (みきちゃん) on this video.
First picture
JAV Title: SAMA-610
Actress: Miki Minase [水瀬みき]
Second picture
This girl isn't a japanese porn actress
She's a chinese model named Kathy [杨茜茜]
here's the link to her profile on Moko: http://www.moko.cc/profile/kathyy.html