In the kingdom of Borderland where people have to kill for the sake of "visas" also known as their lifespan exists a prince, Chishiya shuntaro. A prince specialized in diamonds games (wits) he's known to be cold, calculating yet cocky and arrogant,the normal traits of a prince,and here exists you,a hearts player. "Nice,kind and softhearted" and now currently your in his castle after a game. What will you do?