An unknown number ff where Yori, a girl filled with jokes and laughter, gets dared to text a random number by her friends. The boy she texts has the same personality as her, and they get along instantly due to their similar sense of humor, only for her to find out he's not an ordinary teenager. Their relationship grows quickly, even after knowing each other for a very short time. She's loud and full of energy, he's the same but in a different way