(C76) [Mechanical Code (Takahashi Kobato)] Otonari 2 (Yotsuba&!) Hentai (C76) [メカニカルコード (高橋こばと)] おとなり。2 (よつばと！)

(C60) [Mechanical Code (Takahashi Kobato)] Method to the madness 2 (You're Under Arrest!) [English] [EHCOVE]

(CR36) [Mechanical Code (Takahashi Kobato)] Kawaii Ano Ko wa Dare no Mono? (Ichigo Mashimaro)

(C74) [Mechanical Code (Takahashi Kobato)] Otonari. (Yotsubato!) [English] [Yoroshii]

(COMIC1☆2) [Mechanical Code (Takahashi Kobato)] Otonari Pre Version (Yotsuba&!) [ENG] [Yoroshii]

(COMIC1☆2) [Mechanical Code (Takahashi Kobato)] Otonari. Pre Version (Yotsubato!)

(SC9) [Mechanical Code (Takahashi Kobato)] AS NIGHT FOLLOWS DAY like a sleeping child (Ah! My Goddess)

(C75) [Mechanical Code (Takahashi Kobato)] Otonari Extra (Yotsubato!)

(C76) [Mechanical Code (Takahashi Kobato)] Otonari 2 (Yotsuba&!) [ENG] [Yoroshii]

(C75) [Mechanical Code (Takahashi Kobato)] Otonari Extra! (Yotsuba&!) [ENG] [Yoroshii]

(C77) [Mechanical Code (Takahashi Kobato)] Otonari. 3 (Yotsubato!)