RK Music opening audition until 16 February
Some of their performers include but not limited to Live Union (HACHI, Setono Toto, Enma Ruri, Minase Nagi), VESPERBELL (Kasuka and Yomi), KMNZ, XIDEN, MEDA, NEUN.
Audition page with FAQ here.
https://rkmusic.jp/audition/
Also some precautions...