Originally Posted by JSensei

One week? I'm not 100% sure. We'll find out tomorrow if they mean that week is for the whole thing or if it's for phase 1. If it's the whole thing, then sweet jesus. No 51k for me. I won't waste my e-gacha.

Yep, the event description is up (the game isn't, yet).
Phase 1: starts 07-09, ends 09-09
Phase 2: starts 09-09, ends 13-09

Do they want only some 30 peoplewhales to clear this event or something?