There are series pictures that are scaned from novel book covers and 
a frontispiece.

 A story title is "Flush Fighters JewelStars" in Japanese "Senkou 
Sentai JewelStars", written by Tohru Akitsu. This series is published 
by Fujimi Shobo (Fujimi Fantasia Bunko).

 Illustration is worked by Shinda-mane (this name can read "Nitta 
Mako" written by kanji.) 

 The story is a battle of JewelStars (is a heroin and is a High School
student girl's hobby) and IKAIYO Japan Blanch (International Killer's 
And Invader's Yielding Organization).

 Thank you for anonymous FTP service.

Charactor's name List & appear file
JewelStars
Blue Helm Girl:		Aoi Aiori (Jewel Sapphire)	:v1,v1.i,v2,v3,v4
White Helm Girl:	Aki Kongohya (Jewel Diamond)	:v1,v1.i,v2,v3,v4
Green Helm Girl:	Midori Yodori (Jewel Emerald)	:v1,v1.i,v2,v3,v4
Red Helm Girl:		Shiho Akakiji (Jewel Ruby)	:v2,v2.i,v3,v4

IKAIYO Fighters
Yellow Helm Girl:	Nagisa Misakai (Jewel Topaz & IKAIYO Fighter)	:v1,v3.i
Armed Maccho Man:	Sutarou Anorudo (IKAIYO Fighter)		:v1,v3.i,v4
Mantled Old Man:	Prof. Loatoh (IKAIYO Japan Blanch executive)	:v1

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