The first girl is Sara Tsukigami (月神サラ), and the second is Yuka (or Yuuka, Yuhka) Matsushima (松下ゆうか).
The video is called "High School Girls Bus Kidnapped" (SSPD-028), and was posted on this board a couple of months ago: http://www.akiba-online.com/forum/showpost.php?p=777797&postcount=1