C551 Spiritual Energy Cannon

Early the next morning, when Yan Linghan arrived at the door of Ning Xiao's room, she heard a clear clank from inside, as if Ning Xiao was fiddling with something.

She went forward and knocked on the door gently. Yan Linghan shouted, "Senior Ning, can I come in?"

"It's Miss Linghan, come in!" Ning Xiao's voice sounded tired, as if he was a little tired