Lyrics disponibles:
- Kabukichou Sherlock – Parade
- Kageki Shoujo!! – [Ending] Hoshi no Tabibito
- Kageki Shoujo!! – [Opening] Hoshi no Orchestra
- Kai Byoui Ramune – [Ending] Arcacia
- Kai Byoui Ramune – [Opening] SHAKE! SHAKE! SHAKE!
- Kaifuku Jutsushi no Yarinaoshi – [Ending] Yume de Sekai wo Kaeru nara
- Kaifuku Jutsushi no Yarinaoshi – [Opening] Zankoku na Yume to Nemure
- Kaijuu no Kodomo – [Ending] Umi no Yuurei
- Kakushigoto – Chiisana Hibi
- Kakushigoto – [Ending] Kimi wa Tenneniro
- Kami no Tou: Tower of God – SLUMP
- Kami no Tou: Tower of God – TOP
- Kami-sama ni Natta Hi – [Ending] Goodbye Seven Seas
- Kami-sama ni Natta Hi – [Opening] Kimi to iu shinwa
- Kami-tachi ni Hirowareta Otoko – [Ending] BLUE ROSE knows
- Kami-tachi ni Hirowareta Otoko – [Opening] Yasashii Sekai
- Kanata no Astra – Glow at the Velocity of Light
- Kanata no Astra – star*frost
- Kanojo mo Kanojo – [Ending] Pinky Hook
- Katsute Kami Datta Kemono-tachi e – HHOOWWLL
- Katsute Kami Datta Kemono-tachi e – Sacrifice
- Kemono Jihen – [Ending] Shirushi
- Kemono Jihen – [Opening] Kemono Michi
- Kenja no Deshi o Nanoru Kenja – [Ending] Ambitious
- Kenja no Deshi o Nanoru Kenja – [Ending] Ballad
- Kenja no Deshi o Nanoru Kenja – [Opening] Ready Set Go!!
- Kenja no Deshi o Nanoru Kenja – [Tema] Idomi Tsuzukeru Monotachi
- Kenja no Deshi o Nanoru Kenja – [Tema] Shinryoku no Melody
- Kiitarou Shounen no Youkai Enikki – [Ending] Misty
- Kimetsu no Yaiba – from the edge
- Kimetsu no Yaiba – Gurenge
- Kimetsu no Yaiba – Kamado Tanjirou no Uta
- Kimetsu no Yaiba: Mugen Ressha-hen – [Ending] Homura
- Kimi to Boku no Saigo no Senjou, Aruiwa Sekai ga Hajimaru Seisen – [Ending] Koori no Torikago
- Kimi to Boku no Saigo no Senjou, Aruiwa Sekai ga Hajimaru Seisen – [Opening] Against.
- Kimi wa Kanata – [Ending] Shunkan Dramatic
- King’s Raid: Ishi o Tsugu Mono-tachi – [Ending 2] One Wish
- King’s Raid: Ishi o Tsugu Mono-tachi – [Ending] SticK Out
- King’s Raid: Ishi o Tsugu Mono-tachi – [Opening 2] Eclipse
- King’s Raid: Ishi o Tsugu Mono-tachi – [Opening] legendary future
- Kingdom 3 – TOMORROW
- Kingdom 3 – [Ending] Deep inside
- Kobayashi-san Chi no Maid Dragon
- Kobayashi-san Chi no Maid Dragon – [Ending] Ishukan Communication
- Kobayashi-san Chi no Maid Dragon – [Opening] Aozora no Rhapsody
- Kobayashi-san Chi no Maid Dragon S – [Ending] Maid with Dragons♥
- Kobayashi-san Chi no Maid Dragon S – [Opening] Ai no Supreme
- Koi to Producer: Evol x Love – [Ending] Maioritekita Yuki
- Koi to Producer: Evol x Love – [Opening] Nibiiro no Yoake
- Koi to Yobu ni wa Kimochi Warui – [Ending] Rinaria
- Koi to Yobu ni wa Kimochi Warui – [Opening] Monochrome City
- Koisuru Asteroid – Aruite Yukou!
- Koisuru Asteroid – Yozora
- Kokkoku: Asayake to Nettaigyo
- Kokkoku: Flashback
- Komi-san wa Komyushou Desu – [Ending] Sympathy
- Komi-san wa Komyushou Desu – [Opening] Cinderella
- Kono Oto Tomare! – Harmony
- Kono Oto Tomare! 2 – Rainbow
- Kono Sekai no Tanoshimikata: Secret Story Film – [Ending] Kono Sekai no Tanoshimi Kata
- Kono Sekai no Tanoshimikata: Secret Story Film – [Opening] LOVE&KISS
- Kono Subarashii Sekai ni Shukufuku wo!: Kurenai Densetsu – 1mm Symphony
- Kono Subarashii Sekai ni Shukufuku wo!: Kurenai Densetsu – My Home Town
- Konoyo no Hate de Koi o Utau Shoujo YU-NO – MOTHER
- Kuma Kuma Kuma Bear – [Ending] Ano ne.
- Kuma Kuma Kuma Bear – [Opening] Itsuka no kioku
- Kumo desu ga, Nani ka? – [Ending 2] Genjitsu Totsugeki Hierarchy
- Kumo desu ga, Nani ka? – [Ending] Ganbare! Kumoko-san’s Theme
- Kumo desu ga, Nani ka? – [Opening 2] Bursty Greedy Spider
- Kumo desu ga, Nani ka? – [Opening] Keep weaving your spider way
- Kutei Dragons – GUNJO
- Kutei Dragons – Zettai Reido
- Kyochuu Rettou – [Ending] Stellar
- Kyokou Suiri – LAST DANCE
- Kyokou Suiri – Mononoke in the Fiction
- Kyuukyoku Shinka shita Full Dive RPG ga Genjitsu yori mo Kusoge Dattara – [Ending] KisuIda!
- Kyuukyoku Shinka shita Full Dive RPG ga Genjitsu yori mo Kusoge Dattara – [Opening] ANSWER
- Kyuukyoku Shinka shita Full Dive RPG ga Genjitsu yori mo Kusoge Dattara – [Tema] Kiraida!