Dear Doctor,
The following Operators will appear at a higher rate between December 25, 2020, 04:00 (UTC-7) - January 8, 2021, 03:59 (UTC-7).
★★★★★★ Aak / Hoshiguma
★★★★★ Silence / Pramanix / Broca
#Arknights #Yostar

https://twitter.com/ArknightsEN/status/1341941672633053185