[Nakajima Kouichi x CIRCUS] D.C.S.M ~Da Capo Sweet Memories 2 [中島光一 x CIRCUS] D.C.S.M~ダ・カーポ~スイートメモリーズ 2

[Nakajima Kouichi x CIRCUS] D.C.S.M ~Da Capo Sweet Memories 1

(C65) [Sashichigai-dan (RAYMON, Kusano Kouichi)] Musou Kairou (D.C. ~Da Capo~)

COMIC SIGMA 2010-07 (Vol.46)

D.C. ~ Da Capo ~ Official Visual Fanbook

[Dragon Goya (OKAWARI, Nakajima Kouichi)] Gahara Gatari (Bakemonogatari)

[BUNBUKUDOU (Narumi Yuu)] My Sweet Banana (D.C.II ～ Da Capo II ～)

[Dragon Goya (Okawari, Nakajima Kouichi)] Gahara Gatari (Bakemonogatari) [Chinese] [iDM漢化組]

(CosCafe19) [Digital Lover (Nakajima Yuka)] Seifuku Rakuen 20 - Costume Paradise 20

Violent Tokimeki Memorial 3 Comic

(C65) [Sashichigai-dan (RAYMON, Kusano Kouichi)] Musou Kairou (D.C. ~Da Capo~)