Illustration collection of Kei from Dir*y Pa*r. 5th item in the series, released at '04 Natsucomi. 61 images (incl. alternate version)
Bigger sample image available at: http://www.ccn.aitai.ne.jp/~np-kudou/
Bigger sample image available at: http://www.ccn.aitai.ne.jp/~np-kudou/