(Reitaisai 7) [Cat Expert (Various)] ero Chen Goudou (Touhou Project)
(Reitaisai 11) [Cat Expert (Nekousa)] Chen no Ana (Touhou Project)
(COMIC1☆6) [Cat Expert (Nekousa)] Chen x Chen! (Touhou Project)
(Reitaisai 8) [Cat Expert (Nekousa)] Deli Chen (Touhou Project)
(Reitaisai 15) [Cat Expert (Nekousa)] Micro Nyanko Komugi Chen (Touhou Project)
(Kouroumu 9) [Cat Expert (Nekousa)] Chen to Issho -Pet Seikatsu- (Touhou Project)
(Yuumei Sakura) [Cat Expert (Nekousa)] Chen to Issho (Touhou Project)
(Kouroumu 10) [Cat Expert (Nekousa)] Chen to Issho -Onsen mo Issho- (Touhou Project)
(Reitaisai 10) [Cat Expert (Nekousa)] Micro-shiki Chen-chan (Touhou Project)
