One day, an unidentified flying object appears in the sky along with unknown insect-like monsters. A normal high school student, Seungho Yun, is trying to survive as well as find his family. Along the...more

One day, an unidentified flying object appears in the sky along with unknown insect-like monsters. A normal high school student, Seungho Yun, is trying to survive as well as find his family. Along the way, he is aided by a message that tells him the future that only appears in his head.