(C78) [Nippon Waruwaru Doumei (Arima Keitarou)] Arimadomoe (Various) Hentai (C78) (同人誌) [日本ワルワル同盟 (有馬啓太郎)] 有馬巴 (よろず)

(C73) [Nihon Waruwaru Doumei (Arima Keitarou)] Tsurezuregusa (Higurashi no naku koro ni)

[Nippon Waruwaru Doumei (Arima Keitarou)] Kanban Musume wa Taihen (Makai Senki Disgaea)

(C62) [Chuuni + Out Of Sight, Nihon Waru Waru Doumei (Kim Chii, Arima Keitarou)] Gakuen No Idol Hotaru-chan (Bishoujo Senshi Sailor Moon)

(C94) [Nihon Waruwaru Doumei (Arima Keitarou)] Baragin to Asobou!! 2 (Fate/Grand Order)

(C93) [Nihon Waru Waru Doumei (Arima Keitarou)] Baragin to Asobou!! (Fate/Grand Order) [Chinese] [沒有漢化]

(C87) [Nihon Waruwaru Doumei (Arima Keitarou)] Benio World! (Mikakunin de Shinkoukei)

(C94) [Nihon Waruwaru Doumei (Arima Keitarou)] Baragin to Asobou!! 2 (Fate/Grand Order) [Chinese] [沒有漢化]

(C82) [Nihon Waru Waru Doumei (Arima Keitarou)] Rin-chan Now! SP (Vocaloid)

[Nippon Waruwaru Doumei (Arima Keitarou)] Rough Sketch (Comic Party)

(C93) [Nihon Waru Waru Doumei (Arima Keitarou)] Baragin to Asobou!! (Fate/Grand Order)