Dear Doctor,
The following Operators appear at a higher rate between July 24, 2020, 04:00(UTC-7) - August 7, 2020, 03:59(UTC-7)
★★★★★★ Ch'en / SilverAsh
★★★★★ Astesia / Liskarm / Swire
#Arknights #Yostar

https://twitter.com/ArknightsEN/status/1286330232677556224