The main character is Natsu, who wants to be a novelist. One day, he gets hungry while writing a novel. He reaches out his arm and puts it into a box full of instant noodles. "Which one will I eat today...? Oh, I need to boil some water first." His doorbell suddenly rings. He opens the door, but no one is outside. There is only a plastic bag that contains some small bottles of spices. He looks around, but there is nothing or nobody left. He takes the bag inside and picks up a bottle. The package on a bottle says, "Please put this spice on instant noodles before pouring hot water." "What is it?" Anyway, he decides to try it...