Get a variety of bonuses by registring the serial number to your account for either "Hyakumannin no Sangokushi" or "Hyakumannin no Sangokushi Special."

▼To Use
To receive these bonuses, please access "Hyakumannin no Sangokushi" and/or "Hyakumannin no Sangokushi Special" and check the Romance of the Three Kingdoms 13 Campaign page in each game.