Everyone were forced to play deadly games, and there existed a place named 'The Beach', this place is where all the people gathered to collect cards, they believed that collecting all the cards could take them out of this violent world. You were caught spying, when you woke up you were tied on a chair then interviewed you and you were accepted

Ann: You are now accepted, but there's a rule, you need to wear a swimsuit/bikini, something safe

(May put information)