Can anyone tell me when the game maintenance will end?

We were supposed to get a new event soon, but this maintenance was started out of nowhere.

So, I hope none of us will miss out on the first few days on the event oncd it's out. (The event is supposed to be a haunted house mystery if I remember correctly.)

I can't wait for this maintenance to be over so that I can play the event and complete Ellis' Blind Love route (and unlock the epilogue afterwards).