(C65) [Cha Cha Cha Brothers (Yokoyama Chicha)] GR <Orange> (Giant Robo)

[Grace (Yokoyama Naoki)] Karen to Nao no Rin-chan Now! (The Idolmaster Cinderella Girls) [Digital]

(C69) [Grace (Yokoyama Naoki)] Senkoro (Senkou no Ronde)

(C62) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Saraba Ginrei Hon (Giant Robo)

(C75) [Tonarinoyama (Yokoyama Kouji)] Unending Sanctuary (Magical Girl Lyrical Nanoha StrikerS) (Re-scan)

[Tonari no Yama (Yokoyama Kouji)] 有罪のアザゼル - Guilty Azazel - (Mahou Shoujo Lyrical Nanoha)

[Yokoyama Michiru] Haha ga Hakui o Nugu toki 3 [Digital]

[Yokoyama Michiru] Haha ga Hakui o Nugu toki 2 [Digital]

[Grace (Yokoyama Naoki)] Ran KING ~Tama Sentsu Koromo~ (THE IDOLM@STER, THE IDOLM@STER CINDERELLA GIRLS) [Digital]

(C82) [Grace (Yokoyama Naoki)] Shibuya no Rin-chan Now! (THE IDOLM@STER CINDERELLA GIRLS)

(C80) [Tonari no Yama (Yokoyama Kouji)] Revolution is starting (Mahou Shoujo Lyrical Nanoha)

(C79) [Cha Cha Cha Brothers (Yokoyama Chicha)] snow*garden (Inazuma Eleven)

(C74) [Tonari no Yama (Yokoyama Kouji)] Butterfly Effect (Mahou Shoujo Lyrical Nanoha)

[Yokoyama Naoki] Carol -Saint Bell- (COMIC Potpourri Club 2011-01)

[Yokoyama Naoki] Dream (COMIC P Flirt Vol.6 2010-08)

(C52) [Oideyasu Honpo (Araizumi Ume, Obata Hiroyuki, Yokoyama Chicha)] Slayers Minimum (Slayers)

[Yokoyama Michiru] Aioi no Shukujo

[Yagezawa Bunko, Yokoyama Gumi] Call Me Queen W 2 Shinjouousama Senki (Gundam Wing)

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

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

[Chicha Yokoyama] Ginreibon NG (Giant Robo)

[Chicha Yokoyama] Ginreibon 2 (Giant Robo)

[Yokoyama Negi] Toy Player

[Yokoyama Michiru] E.M.S Soutennen Saikyou Onee-chan

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

[Yokoyama Michiru] 28-sai ~Twenty-Eight Years Old | Do You Like Glamorrous Sister?~

[Yokoyama Michiru] Erenoa-san no Seiseikatsu | ERENOA's sex life

[Yokoyama Michiru] Oedipus no Koibitotachi - Lovers of Oedipus

[Yokoyama Michiru] Haha ga Hakui o Nugu toki 5

[Yokoyama Michiru] Haha ga Hakui o Nugu toki 6

(CR33) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Tanpopo Jiru (Ashita no Nadja)

(C64) [Cha Cha Cha Brothers, Rupinasu Touzokudan (Yokoyama Chicha)] Tanpopo Jiru 2 Kuroi Tulip (Ashita no Nadja)

(CR33) [Lion Heart (Yokoyama Negi)] Hidamari wa Kodomo no Kuni