History, Psychology, Education Series Beginning with K
- Demon Slayer: Kimetsu no Yaiba
- In This Corner of the World
- Kagahu Jikken Taiketsu Manga Series
- Kagaku Manga Survival Series
- Kaidan Restaurant
- Kaito Ranma
- Kamen Rider Decade
- Kamen Rider Drive
- Kamen Rider Fourze
- Kamen Rider Gaim
- Kamen Rider OOO
- Kamen Rider Series
- Kamen Rider V3 (Masked Rider V3)
- Kamen Rider W (Double)
- Kamen Rider Wizard
- Kamen Rider Zi-O
- kami-sama minarai Himotsu no Cocotama
- Kamui den (Kamui the Ninja)
- Karate
- Karigusashi no Arrietty
- Kaze Tachinu (The Wind Rises)
- Keiba / Keirin
- Kendo
- Kikansha Thomas
- Kiki's Delivery Service (Majo no Takkyubin)
- Kino no Tabi - the Beautiful World
- Kippari
- Kishiryu Sentai Ryusoulger
- Kobito-dukan
- Kochira Katsushika-ku Kameari-kouenmae hashutsujo
- Kodansha No Ugoku Zukan
- Kokosei Restaurant
- Kokurikozaka Kara
- Konkatsu Deka
- Kotoba Erabi Jiten
- Koukou Yakyu
- Koupen-chan
- Kuma no Gakko
- Kumamon
- Kurenai no Buta
- Kurokami
- Kwai Series
- The 13 Lords of the Shogun
- The King of Beetle Mushiking - Mori no Tami no Densetsu