C325 My Name Is Huang Xinyi Baiyuxi

Building 31's dorm room, across the corridor, the door facing the north had a single room number, like 13579. The door facing south had two numbers. On the east side of each floor was a staircase with a hall and balcony. Liu Zaiyan's dorm was a little to the east, while the girl Qin Yusheng was talking about was dorm 324 at the west staircase