Singer Kwon Eun-bi has signed an exclusive contract with RBW, home to girl group Mamamoo, the agency said. “We are pleased to accompany Kwon Eun-bi on the next chapter of her musical journey,” RBW said in a statement on Wednesday. “We will provide full support so she can further expand her musical capabilities and continue her career across various fields.” Kwon’s move comes after she parted ways with Woollim Entertainment in March, ending a nearly decadelong relationship that began during her t