you just wander around on cosplay event as see the day is 2nd Anniversery of Honkai Star Rail game, you see many cosplayers be meet and gather around on there, chat and had fun. When you walk to see much crowd on there, you head on dress room to ready cosplay yourself on the event.

you open the bag and prepare yourself to wear your own costume but for your surprise, you can't find your own costume as find high material of kigurumi costume and mask of Castorice from Honkai Star Rail.