(C83) [Sumi Kara Sumi Made (Gabyonuno)] Kudasai! Kokorochan (Tantei Opera Milky Holmes)

[EDASH (Kashiba Toshizou)] Ichigo Short (Kokoro Library)

Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi

(C84) [Little☆Hamlet (Lu☆cky)] Kokoro no Kokoro (Touhou Project)

[Akikaze Asparagus (Aki)] Koikokoro (Touhou Project) [English] [2d-market.com] [Decensored] [Digital]

[Butter Motti (Mottsuo)] Boku no Kokoro no Eroi Yatsu (Boku no Kokoro no Yabai Yatsu) [Digital]

Kokoro-chan to Jouzu ni Dekiru kana? | Can Kokoro-chan do it well?

[Yumesaki Annai Kairanban (Hiro Hiroki)] Himitsu no Kokorogic Star (Tantei Opera Milky Holmes) [Digital]

(COMIC1☆6) [Saihate-Kukan (Hino Hino)] Kankin desu yo Kokoro-chan - Imprion Kokoro-chan (Tantei Opera Milky Holmes)

(CT20) [7cm (nase)] Fushikawa Kokoro to Kozukuri Shitai! | I Want to Make a Baby with Fushikawa Kokoro (Maji de Watashi ni Koi Shinasai!) [English] [life4Kaoru]