[Kitazawa Ryuuhei] ガンダムＷ★ＩＮＧ

(Kyuushuu Hekigai Chousa Haku) [SHINGEKI666 (Kitazawa Seiko)] ReverseReverse (Shingeki no Kyojin)

[Kitazawa Ryuhei] Onna Kateikyoushi Kelly (Emma a Victorian Romance)

[Kitazawa Ryuuhei] Futanari Space Policewomen (Birdy the Mighty)

[Kitazawa Ryuuhei] Shimiko to Kaiki Shokubutsu (Shiori to Shimiko)

[Kitazawa Ryuuhei] 『４５口径の女／首領の証明』

(Kuchikukei!) [SHINGEKI666 (Kitazawa Seiko)] Osake wa Hatachi ni Natte Kara! | Drink after you turn 20 (Shingeki no Kyojin) [English] [KEY AND CRAVAT]

(Kyuushuu Hekigai Chousa Haku) [SHINGEKI666 (Kitazawa Seiko)] ReverseReverse (Shingeki no Kyojin)

[root666 (Kitazawa Seiko)] Chocolate Tousou (Sengoku Basara)

[Kitazawa Ryuuhei] 『水晶宮の夜は１シリング ～ふたりで２シリング～』