Dear Doctor,
The Outfit Voucher for Doctors who purchased Outfit: Winter Messenger or Willpower will be sent via in-game mail on May 25, 10:00 (UTC-7). Please check the following image for more details.
#Arknights #Yostar https://t.co/42KJ5DbE6o

https://twitter.com/ArknightsEN/status/1660601398218596353