0 0 Japanese 21 Doujinshi (C57) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon VIII (Giant Robo)
0 0 Japanese 23 Doujinshi [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon IV (Giant Robo) [Incomplete]
0 0 Japanese 42 Doujinshi (C59) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon X (Giant Robo)
0 0 Japanese 22 Doujinshi (C58) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon IX (Giant Robo)