| Anime Albums K |
| Kaitou Saint Tail Vocal Collection |
| Kaitou Saint Tail Best of the Best |
| Kaitou Saint Tail The Musical Soundtrack |
| Kamikaze Kaitou Jeanne Image Album |
| Key The Metal Idol OST 1 |
| Kiki's Delivery Service OST |
| Kingyo Chuuihou! BGM-shuu |
| Kingyo Chuuihou! Gakkou de asonjae! |
| Kita e: White Illumination/pure songs |
| Klonoa OST (2 disks) |
| Kodomo no Omocha The Best Collection |
| Kodomotachi wa Yoru no Juunin -Kouga Yun Music CD- |
| Kodomotachi wa Yoru no Juunin -Kouga Yun Drama CD- |
| Q |
| Kimagure Orange Road Sound Color 1 |
| Kimagure Orange Road Sound Color 2 |
| Kimagure Orange Road Sound Color 3 |
| Kimagure Orange Road CD Collection Ova |
| KOR Original "Kono tokimeki wa wasurenai" Radio Drama |
| Kimagure Orange Road Mogitate Special |
| Kimagure Orange Road Ano hi ni kaeritai OST |
| Kimagure Orange Road Singing Heart |
| Kimagure Orange Road Loving Heart |
| Kimagure Orange Station |
| Shin KOR Movie Ost |
| ShinKOR Movie Image Album |
| Kimagure Orange Road Madoka's Piano Files |
| Kareshi Kanojo no Jijou - Setsu Getsu Ka (vocal album) |
| Kiki's Delivery Service Ost 2 (2 cds) |
| Kiki's Delivery Service Image Album |
| Kiki's Delivery Service Hi-Tech Album |
| Kiki's Delivery Service Song Album |
| Kindaichi Shounen no Jiken-bo Love Songs |
| Kindachi Hajime Best Vocal Collection |
| Kodomo no Omocha Ost 2 |