This is a picture that scan from a book cover.
 A book title is "Let's go Space Battle Ship Yamamoto Yohko" 
vol.2 "Cristmas Carol in Free Fall". This is a sereis story 
written by Taku Shoji published by Fujimi Shobo (Fujimi Fantasia 
Bunko).

 An Illustration is drawed by Takashi Akashizawa.

 Girls name are - from left to right - Yohko Yamamoto, Momiji 
Kagariya, Ayano Elizabeth Hakuhoin and Madoka Midoh.

 Thank you for anonymous ftp service.

k-sakata@ccs.mt.nec.co.jp