BtoB and Hongseok of PENTAGON have left long-time agency CUBE Entertainment.CUBE Entertainment announced today (November 6) that all six members of K-pop boyband BtoB would not be renewing their contracts, with the agency saying that it was “mutually decided”, as translated by Koreaboo.The news comes just days after it was reported that the contracts of five BtoB members had ended, with CUBE Entertainment saying that it and the K-pop idols were “working through this situation with an open mindset, looking at various options”.According to a new report today by Sports Chosun, BtoB had decided to leave CUBE Entertainment as early as last week over the trademark of the group’s name. Meanwhile, the K-pop agency told Dispatch that it is “positively discussing trademark rights with the BTOB members”.“We cannot provide details about the trademark rights discussions,” CUBE Entertainment added.