https://www.dlsite.com/maniax/work/=/product_id/RJ013383.html

5: Miku Himuro (Hades Project Zeorymer)
6: Lou Roux (Godannar)
7: Lioubov Smettana (Overman King Gainer)
8: Cynthia Lane (Overman King Gainer)
9: Aqua Centolm/Centrum (Super Robot Wars)
10: Arashi Shinozuka (Gad Guard)
11: Houquet et Rose (Genesis Climber Mospeada)
12: Iczer-1 and Iczer-2 (Tatakae!! Iczer-1)
13: Meia Gisborn (Vandread)
14: Rin Haruka (Machine Robo Rescue)
15: Jeanne Francaix, Lana Isavia and Mary Angel (The Super Dimension Cavalry Southern Cross)
16: Youko Misaki (Gowapper 5 Godam)
17-18: Emeralda (Xenogears)
19: Maria Balthasar (Xenogears)
20-29: Omake

There's supposed to be a flash animation with Fiona from Zoids but it doesn't seem to be on the DLsite version:
http://www.ream.ais.ne.jp/~hs/roman/html/romanex.htm