High school student, Song Yi's younger brother.An extremely cynical high school student who spends half of the year running away from home.Although he got many opportunities to be selected on the street because of his good looks, he had no idea of pursuing those professions because he felt that it was because his sister became an artist that his family became like this.He believes that there are aliens, and he also believes that there are wolf boys and vampires somewhere.Interested in astronomy and discovered an asteroid.