C1157 Iceberg Guarantee

At noon, Yan Xin ate a few mouthfuls of rice in a hurry. Then, he quickly tidied up his appearance and rushed to his office.

The other teachers had probably not returned yet, and only Extinction Martial Grandma and Yue Buqun were present.

Yan Xin knocked on the door and entered after getting permission.

"Teacher, why did you finish your meal so quickly …" Yan Xin was rather awkward