(C56) [Mutekei-Fire (Yuuichi)] Dreamers (Various) Hentai Porn (C56) [むてけいファイヤー (ゆういち)] ドリーマーズ (よろず)

(C85) [Digital Flyer (Oota Yuuichi)] RKGK DIGITALFLYER II (Various)

(C55) [Mutekei-Fire (Yuuichi)] Sekai Uki-Uki Daizukan 1998-nendo Ban - The Great Pictorial Guide of 'Uki-Uki' in the World '98 Edition (Various)

(C53) [Mutekei FIre (Yuuichi)] ND-special Volume 1 (Various)

(C56) [Mutekei-Fire (various)] Tareme Paradise Vol.6 (various)

(C66) [Mutekei Fire (Yuuichi)] ND-special Volume 4 (Various)

(C75) [Mutekei-Fire (Yuuichi)] ND-special Volume 5 (Various)

(C59) [Mutekei-Fire (Various)] Sekai Ukiuki Daizukan 2001 (Various)

(C74) [life, Digital Flyer (Haga Yui, Oota Yuuichi)] DIGITAL LIFE 2008 SUMMER (Various)

(C77) [life (Haga Yui) & Digital Flyer (Oota Yuuichi)] DIGITAL LIFE 2009 WINTER Yume (Various)

(C94) [Mutekei Fire (Yuuichi)] ND-special Volume 6 (Various)