GAME SYSTEM, CONTROL METHOD OF GAME SYSTEM, ITEM MANAGEMENT DEVICE, CONTROL METHOD OF ITEM MANAGEMENT DEVICE, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a game system, etc. capable of building up relationships among users (e.g. a friend relationship, a cooperative relationship, and a rivalry).SOLUTION: A message acquiring part 132 acquires a message input by a first user .An association processing executing part 134 executes association processing in which an item associated with the first user is reassociated with a second user that is a user other than the first user. A message presenting part 136 presents a message acquired by the message acquiring part 132 to the second user according to the execution of the association processing. An effect generating part 140 generates an effect based on the message acquired by the message acquiring part 132 in a game that at least one of the first user and the second user plays, according to the execution of the association processing.