This in-game event will be held from December 10 10:00PM Pacific Time to December 24 11:59PM Pacific Time.
[Eve of Formal Dress] Eren Jaeger and [Eve of Formal Dress] Annie Leonhart: Holiday versions of Eren Jaeger and Annie Leonhart will also be available in the game starting on December 10 10:00PM Pacific Time.
The Attack on Titan TACTICS Holiday Warm-Up Campaign also consists of an original story, Snowy Eve gacha, and some essential login bonuses.