Books Series Beginning with K
- Kishiryu Sentai Ryusoulger
- Kishuku Gakko no Juliet
- Kiss that Kills (Todome no Kiss)
- Kiss x sis
- Kita he - Diamond Dust -
- Kita no Kuni kara (From a North country)
- Kitakubu Katsudo Kiroku
- Kite
- Kiteretsu Daihyakka
- Kitsutsuki Tanteidokoro
- Kizetsu Yusha to Ansatsu Hime
- Kiznaiver
- Kizoku Tantei
- Kizuna no Allele
- Knight Rider
- Knights & Magic
- Knights of Sidonia
- Knuckles
- Koakuma Ageha
- Kobato.
- Kobayakawa Nobuki no Koi
- Kobito-dukan
- Kobo,the li'l Rascal
- Kocha Oji
- Kochira Honikegamisho
- Kochira Katsushika-ku Kameari-kouenmae hashutsujo
- Kodansha No Ugoku Zukan
- Kodo Shinri Sosakan Tateoka Ema Series
- Kodoku no Gourmet
- Kodoku no Kake
- Kodomo Kesatsu
- Kodomo no Jikan
- Kodomo no Omocha
- Koe de Oshigoto
- Koetsu Girl Series
- Kofuku Graffiti
- Koguma no Cake ya-san
- Koh Boh
- Koharu Biyori
- Koi ga heta demo ikitemasu
- Koi Ha Sekai Seifuku No Ato De
- Koi no Jikan
- Koi to Producer -EVOL x LOVE-
- Koi to Senkyo to Chocolate
- Koi to Uso
- Koi to Yobu niwa Kimochiwarui
- Koi wa Ame agari no yo ni
- Koi wa Futago de Warikirenai
- Koi wa Tsuzukuyo Dokomademo
- Koi-Shimai
- Koihime Muso
- Koikoi 7
- Koisentai Love & Peace
- Koizora
- Kokkoku
- Kokkurisan
- Koko ga Uwasa no El Palacio
- Kokoro Atatamaru Monogatari
- Kokoro Connect
- Kokoro toshokan
- Kokosei Restaurant
- Kokucho no Psychedelica
- Kokurikozaka Kara
- Komaneko
- Komi Can't Communicate (Komi-san wa, Komyusho Desu.)
- Komori-san Can't Decline
- Komyogatsuji
- Konda Teru no Goho Recipe
- Konjiki no Gash!!
- Konkatsu
- Konkatsu Deka
- Konnichiwa Anne: Before Green Gables
- Kono Aozora ni Yakusoku wo
- Kono Kaisha Ni Sukina Hito Ga Imasu
- Kono Koi wa Tsumi nanoka!?
- Kono Minikukumo Utsukushii Sekai (This ugly and beautiful world)
- Kono Mune Ippai no Ai wo
- Kono Naka ni Hitori, Imoto ga Iru!
- Kono Oto Tomare!
- Konodori
- Konohana Kitan
- KonoSuba: God's Blessing on This Wonderful World!
- Konoyo no Hate de Koi wo Utau Shojo YU-NO
- Konpeki no Kantai
- Konshu Tsuma ga Uwaki Shimasu
- Kore Ha Keihi De Ochimasen!
- Kore wa Koi no Hanashi
- Kore wa Zombie desu ka? (Is This a Zombie?)
- Korean Wave
- Koroshiya-san
- Koshaku Reijo no Tashinami
- Koshoku Robot
- Kosoku Sentai Turboranger
- Kotetsu Sangokushi
- Koto no Ha no Niwa
- Kotoba Erabi Jiten
- Kotobazeme CD
- Kotoura-san
- Koukou Nyushi
- Koukou Yakyu