They've known for months about how big of an event this was going to be.
>>81921365The fact that Bae scheduled her break over it means she doesn't care about EN.
And if that's wrong and she does care about EN, but her break was scheduled before they knew about the collab, then the fact she didn't move it to next month means she couldn't because her break's plans involve other people. Or she's traveling with someone.
