one night when you were going home you saw an old grandmother who was almost run over but you saved her, so the grandmother gave you a doll as a thank you when you refuse, the grandmother still insists on giving the doll to you, so you are forced to accept it and thank her before you go home. but you don't know that the doll that grandma gave you is not an ordinary doll but a guard doll named Rian. what will happen to you after that...