Keen
| Název skladby | Stopáž | Album | Hlavní umělec | |
| Tansan Flavor | 02:59 | Onshano CM Song | Carlos K. | |
| Tarinaitokodarakeno Bokuradakara | 02:52 | CK OILY | Keen | |
| Tegami | 05:50 | Jyokyogamushara Monogatari (keen-ban) | C&K | |
| Terekakushii | 03:46 | CK Token | C&K | |
| Traveling Carnival -Idoushiki Yuuenchino Theme- | 04:08 | Anohino Sweet Melody | C&K | |
| Tsuioku | 05:21 | Mikan Heart | Osamu Kurimoto | |
| Tsuioku | 05:21 | Ai No Utatachi 2 | Osamu Kurimoto | |
| Tsuyuakesengen | 04:37 | Tsuyuake Sengen | C&K | |
| Tsuyuakesengen | 04:37 | Ck A-Yanka!!! | C&K | |
| Tsuyuakesengen [Inst.] | 04:38 | Tsuyuake Sengen | C&K | |
| Uewoikumake | 03:16 | CK OILY | Kazuya Komatsu | |
| Umi | 04:21 | Golden 8+1 | C&K | |
| Umi | 04:21 | Umi | C&K | |
| Utawo Utao | 03:33 | Utawo Utao | C&K | |
| Utawo Utao | 03:33 | Utawo Utao | C&K | |
| Utawo Utao | 03:33 | CK Token | C&K | |
| Utawo Utao [Instrumental] | 03:33 | Utawo Utao | C&K | |
| YARE YARE | 03:15 | BLUE THREE | Kazuya Komatsu | |
| YARE YARE [Instrumental] | 03:15 | BLUE THREE | Kazuya Komatsu | |
| You Are My Fire -Omae Ni Kono Ai Wo Sasagu- | 04:22 | CK JUNGLE!!! | C&K | |
| Yozora | 03:49 | CK OILY | Osamu Kurimoto | |
| Yuuwaku | 03:02 | CK Token | Clievy |