Luckyz is the only duo approved by Yuehua, only Zhang Hao and Hanyujin ,Zhang Hao has known Yujin since he was 15 and Yuehua left him in his care, his fans approve of both of them.
Zhang Hao speaks better than many Koreans, when he was Mc, Korean fans told him that his Korean has improved a lot, the best and highest grades in Korean exams