Jie Jun, the miracle key, is an NPC character in the game Miracle MU, a charming, intelligent and witty female character, and one of the more popular characters in the game. Miracle MU is a very popular mobile phone game, and the gameplay is very interesting. In the game, you play an explorer. You need to solve puzzles and find keys to open various treasure boxes and get valuable rewards. Each level has different scenes and difficulties, so you need to use your brains to come up with the best solution. The game screen of Miracle Key is very beautiful and the scene design is very unique.