(C86) [Koudansha (Kouda Tomohiro)] Tonari no Y-san 2-jikanme (Tonari no Seki-kun) [English] [Tonigobe]
(C88) [Koudansha (Kouda Tomohiro)] Tonari no Y-san 4jikanme | My Neighbor Y-san 4th Period (Tonari no Seki-kun) [English] [Forever Summer + The Lost Light]
(SC35) [Ashita no Kouda (Morimi Ashita, Kouda Tomohiro, Ueyama Michirou)] Kaibutsu Shoujo (Kaibutsu Oujo)
[Koudansha (Kouda Tomohiro)] Bokutei Hoken Taiiku no Susume (Bokutachi wa Benkyou ga Dekinai) [Digital]