| U | U-ka saegusa IN db 三枝夕夏 IN db | U-ZY |
| U | U-Ken! ウケン! | u:zo |
| U | U-key | U.G.M. |
| U | U-key | U.K. |
| U ユウ | U-Key zone | U.M.A. |
| U | u-ki | U.M.E.D.Y. |
| U | U-KO | U.N. OWEN |
| U_WAVE | U-ma | U.Niebergall |
| U-F SEQUENCER | U-MA | U.S.B 2.0 |
| U-GEN 幽玄 | U-MAZLA | U.T.D & Friends |
| U-go Karasuma 烏丸友吾 | u-mi う〜み | u.z. |
| U-hey | U-Port Hall ゆうぽうとホール | U/S |
| U-hey Seta | U-Qi | U&K |
| U-HYO | U-re:x ユーリックス | u=ar=oK |
| U-ICHI | U-Ruri | U1 |
| U-ichiro Hiraoka 平岡遊一郎 | U-ske | U1 High-Speed |
| U-ji | U-ske Asada 浅田祐介 | U1 Jewel Style |
| U-ji a.k.a. RaychoruiP U-ji a.k.a. 霊長類P | U-ya Asaoka 浅岡雄也 | U1 night style |
| U-ka | U-zhaan | U1 overground |
| U-ka saegusa 三枝夕夏 | U-zo Ohkusu 大楠雄蔵 | U1 Reincarnates |
