Itoshi Itoshi to iu Kokoro.

(C94) [Cesium-P (Aka Seiryuu)] Kokoro no Mishiranu Kioku | Kokoro's Unknown Memories (DARLING in the FRANXX) [English] {Doujins.com}

[Ray-Kbys] Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi | The Experiment to Completely Destroy Kokoro-chan's expressionless face (Touhou Project) [English] [desudesu]

(C84) [Little☆Hamlet (Ra Kii)] Kokoro no Kokoro (Touhou Project) [English] {Hennojin}

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

(COMIC1☆6) [Saihate-Kukan (Hino Hino)] Kankin desu yo Kokoro-chan - Imprion Kokoro-chan (Tantei Opera Milky Holmes) [English] {QB-tl.com}

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

[Ray-Kbys] Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi (Touhou Project)[Chinese][基德漢化組]

Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi

(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]

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