C1450 You should make up with sister xi.

"That's unfortunate. They informed me that the first month went by, and you're one month behind me." Hearing Tong Mengmeng's words, Chen Xi was initially happy.

Then, thinking about the difference of a month's worth of starting time between Tong Mengmeng and herself, she instantly became depressed.

Even if they were in the same school, they weren't in the same class