Dear Doctor, the themed official website for Integrated Strategies: Phantom & Crimson Solitaire is open now. The in-game content and your game record can be viewed here. Now, let's reveal the secret of the castle.
Website:
#Arknights #Yostar
https://arknights.global/crimsonsolitaire/

https://twitter.com/ArknightsEN/status/1554300963229503489