(COMIC1☆6) [Saihate-Kukan (Hino Hino)] Kankin desu yo Kokoro-chan - Imprion Kokoro-chan (Tantei Opera Milky Holmes)
Kokoro no Mishiranu Kioku | Kokoro's Unknown Memories
(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]
Kokoro-chan no Muhyoujou o Zenryoku de Kuzusu Kokoromi
(C84) [Little☆Hamlet (Ra Kii)] Kokoro no Kokoro (Touhou Project) [English] {Hennojin}
[Butter Motti (Mottsuo)] Boku no Kokoro no Eroi Yatsu (Boku no Kokoro no Yabai Yatsu) [Digital]
(Reitaisai 14) [Cola Bolt (Kotomuke Fuurin)] Kokorora (Touhou Project) [Chinese] [迷途竹林汉化]
(Kouroumu 14) [Chocolate Synapse (Shika Yuno)] Kokoro-chan to Jouzu ni Dekiru kana? (Touhou Project)
(CR31) [Yukimi Honpo (Asano Yukino)] Kokoro-chan to Onee-chan (Kokoro Library)
