(C94) [Maruarai (Arai Kazuki)] Shiri to Souji to Unajuu to (Bokutachi wa Benkyou ga Dekinai)
(C58) [MARUARAI (Arai Kazuki)] Love Hinappoi Hitobito (Love Hina)
(C58) [MARUARAI (Arai Kazuki)] Love Hinappoi Hitobito (Love Hina) [English] [EHCOVE]
[Arai Kei] Gunjo Gunzo Ch. 1-2, 5-6 [English]
[Arai Kei] Gunjo Gunzo Ch. 1-2 [English]
[Arai Kei] Gunjo Gunzo [Chinese] [心血來潮的村民渣重嵌] [Digital]
(COMIC1☆13) [Maruarai (Arai Kazuki)] Cam (Yuru Camp)
(C69) [Maruarai (Arai Kazuki)] PARA PARA 3 MARUARAI OFFICIAL ART COLLECTION (PARA PARA 3)
(COMIC1☆13) [Maruarai (Arai Kazuki)] Wakiyaku w (Bokutachi wa Benkyou ga Dekinai)
(CR26) [MARUARAI (Arai Kazuki)] Ariari (Love Hina)