Nintendo DS is a game that is often used to train the skills of someone who wants to be a better workforce. In this game, the player takes on the role of a dono, or worker. The dono is able to use his or her skills to help the dono of the opposite sex, or clients, in order to get them to sign a contract of financial agreement. The game is located in Korea and is made up of various levels, and incentives for the player to progress are on offer. The player is required to sign contracts of financial agreement, or null and void contracts, when they are involved in this game.