(C56) [STUDIO HUAN (Raidon)] PIPER COLORED (Street Fighter) (C56) [STUDIOふあん (来鈍)] PIPER COLORED (ストリートファイター)

(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) [English] [SpiderExpert]

(C83) [STUDIO HUAN (Raidon)] STUDIO HUAN Full Color Soushuuhen (Neon Genesis Evangelion, Moetan, THE IDOLM@STER) [English] [Doujin-Moe+Striborg]

PIPER FINAL

(C54) [STUDIO HUAN (Various)] PIPER 2 (Street Fighter)

(C65) [STUDIO HUAN (Raidon)] PIPER 3 (Street Fighter)

(C65) [STUDIO HUAN (Raidon)] Shinmeikan no Chouki

(C67) [Studio Huan (Raidon)] Milk Piper (Dead or Alive Xtreme Beach Volleyball)

(C82) [STUDIO HUAN (Raidon, Buchou Chinke, Kadou)] SF IV (Street Fighter)

(C58) [STUDIO HUAN (Raidon)] Ninja PIPER (Dead or Alive, King of Fighters)