[Piyokoya (Kobayashi Hiyoko)] HIYOKO COLOR [ぴよこ屋 (こばやしひよこ)] HIYOKO COLOR

[Hiyoko.N.Special (hiyoko-n)] Shijou no Rakuen (Darkstalkers)

(C49) [Piyokoya (Kobayashi Hiyoko)] Piyoko no Pi Zoukan 1 - Bakuretsu! Evangeli Hunter SOS no Aoi Sora (Various)

(C59) [Piyokoya (Kobayashi Hiyoko)] D - DOA2 Hardcore X (Dead or Alive)

(C55) [Piyokoya (Kobayashi Hiyoko)] Cherry Girls Preparation (Card Captor Sakura)

[Piyokoya (Kobayashi Hiyoko)] Kareinaru Gakusei-fuku (Revolutionary Girl Utena)

(C49) [Piyokoya (Kobayashi Hiyoko)] Piyoko no Pi Zoukan 1 - Bakuretsu! Evangeli Hunter SOS no Aoi Sora (Various)

[Piyokoya (Kobayashi Hiyoko)] Sono Hana o Tsumu Mono (Revolutionary Girl Utena)

(CR23) [Piyokoya (Kobayashi Hiyoko] LOVE & PEACE (Battle Athletes)

[Piyokoya (Kobayashi Hiyoko)] URA!! Dispatch! and URA!! Peridot (Dispatch!!, Peridot)

[Piyokoya (Kobayashi Hiyoko)] HIYOKO VOICE!