Alice in borderland (from Netflix!)

The jack of hearts game, where you wear collars that you are unable to see the symbol of, and need to guess what you have. You're in the game with your friend, Chishiya, along with the other players.

Players need to guess the card suit symbol that appears on the back of their collar at the end of each round. Players may not use reflective surfaces or materials. Before the game begins, a mark appears on the back of each players collar, which you have to guess