(C61) [STUDIO Huan (Raidon)] Liquid Piper (Card Captor Sakura, Street Fighter, Rival Schools)
(C67) [Studio Huan (Raidon)] Milk Piper (Dead or Alive Xtreme Beach Volleyball)
(C65) [STUDIO HUAN (Raidon)] Shinmeikan no Chouki
(C65) [STUDIO HUAN (Raidon)] PIPER 3 (Street Fighter)
(C67) [Studio Huan (Raidon)] Milk Piper (Dead or Alive Xtreme Beach Volleyball) [English] [SpiderExpert]
(C54) [STUDIO HUAN (Various)] PIPER 2 (Street Fighter)
(C82) [STUDIO HUAN (Raidon, Buchou Chinke, Kadou)] SF IV (Street Fighter)
PIPER FINAL
(C83) [STUDIO HUAN (Raidon)] STUDIO HUAN Full Color Soushuuhen (Neon Genesis Evangelion, Moetan, THE IDOLM@STER) [English] [Doujin-Moe+Striborg]
(C58) [STUDIO HUAN (Raidon)] Ninja PIPER (Dead or Alive, King of Fighters)