Google Translation:

NPUPT 9th Anniversary Celebration 2020.12.07

Dandelion's 9th birthday will be on December 8, 2020!
The website will open for a limited time at 0:00 on December 8th, and end at 24:00 on the 12th~
At the same time, each user will get three temporary invitation codes. You can introduce them to your friends, but don’t promote them in public. Don’t register a dupe, either~