"If he cannot prove his identity like you did, Mr Long, then I will not allow him to enter here," the elderly voice said, firm in his tone. However, not long after, a familiar voice could be heard by Eru and Long behind the door. "What are you doing, dad? Immediately opened the door. Those two are the master and madam benefactor; they don't need some measly identity to get in. Besides, the master had ordered me to let those two in immediately."