C89 I Have a Fear of Heights

When they arrived at the fourth floor, Zi Han saw that Niu Nan was calmly waiting for her, so she smiled when she saw her. "Zi Han, why did you take so long to get here? Did something happen?"

Zi Han waved her hand and said, "It's nothing, I just saw a brother. Let's go to your dorm!"

Niu Nan held onto Zi Han's shoulder and said, "Our dorm room is 401