Watch (C97) [H&K (Kotobuki Kazuki)] F/GOGO (Fate/Grand Order)

(CR33) [Kotobuki Chop, PIGGSTAR (Kaeru Jiro, Nagoya Shachihachi, Kotobuki Kazuki)] Ichigo Hankachou (Kari) (Ichigo 100%)

(C94) [H&K (Kotobuki Kazuki)] F/GO (Fate/Grand Order)

[Kotobukiya (kotobuki)] Makarasan to issho! (Tokyo Afterschool Summoners) [Digital]

[Pirates Patrol (Otokawa Kazuki)] Watashi ga Hentai Seiheki ni Mezameta Wake [Digital]

[Shiina Kazuki] Ubawarete Ataerareta Mono -Ryoujoku no Hate ni- Given in Deprived

(C61) [Kotobuki Chop (Kotobuki Kazuki)] D.O.D Destruction of Desire (Dead or Alive)

(C94) [MoonGarden (Tsukumo Kazuki)] HGO 2 ~H na mizuGi o Order 2~ (Fate/Grand Order)

(C93) [MoonGarden (Tsukumo Kazuki)] HGO ~H na mizugi o Order!~ (Fate/Grand Order)

[Kotobuki Maimu] No-pan Cheer Girl! ~Kaikyaku Kupaa de Ore no Yaruki mo Asoko mo Binbin! Vol. 1

(C94) [H&K (Kotobuki Kazuki)] F/GO (Fate/Grand Order)