Artist: yokoyama chicha (99)

[T2 UNIT] Oh! Robomusume Chuu Shuugou! (The Big O)

[Anthology] Shounen Ai No Bigaku 17 The Wanpaku Shounen

[Anthology] Shounen Ai No Bigaku 14 The Kurabekko

[Chicha Yokoyama] Ginreibon NG (Giant Robo)

(C57) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon VIII (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon III (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon VII (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon (Giant Robo)

[Watanabe Yoshimasa, Yokoyama Chicha] H-BOMB (Dirty Pair) [English]

[Anthology] Shounen Ai no Bigaku 6 The Costume Shounen

[Anthology] Shounen Ai no Bigaku 8 The Bokura no Natsuyasumi

[Anthology] Shounen Ai no Bigaku 7 The Itazurakko

(C58) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon IX (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon VI (Giant Robo)

[Anthology] Shounen Ai no Bigaku II The Yancha Shounen

[Anthology] Shounen Ai no Bigaku - The Josou Shounen

[Anthology] Shounen Ai no Bigaku IV The Amaenbo Shounen

[Anthology] Shounen Ai no Bigaku III The Nakimushi Shounen

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon V (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon IV (Giant Robo) [Incomplete]

[Anthology] Love Shota 03 ~Josou Shounen~

(C65) [Cha Cha Cha Brothers (Yokoyama Chicha)] Nicozoro Namicho (One Piece)

[Yokoyama Chicha] Pai Pan Ya

(C59) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Ginrei Hon X (Giant Robo)

[Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Manyuu Purin (Final Fantasy Unlimited)