(C75) [Mutekei-Fire (Yuuichi)] ND-special Volume 5 (Various) Hentai (C75) [むてけいファイヤー (ゆういち)] ND-special Volume 5 (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)

ND-special Volume 1

ND-special Volume 4

ND-special Volume 6

(C75) [Mutekei-Fire (Various)] Burari! Tokimeki Shitsumon Bako (Mitsudomoe)

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

(C56) [Mutekei-Fire (Yuuichi)] Dreamers (Various)

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

[Master Volume (Jyujyo)] Acid Plump Line (Various)