What is the GM event plan?

A secret and surprising event in November was foretold.

we waited

However,

This event is not intended for users.

What made us wait so long?

If you're planning an event that makes users spend money, that's the wrong choice.

There were no new updates.

They always make fun of users by packing very simple adjustments such as drop rate, experience, and grade A into a big event.

Do you have the ability to tune the system?