Do you know? Myths and legendary creatures all exist. They live in a world of different dimensions from ours, the fantasy world. Humans who can sense them are called "communicators". Those who can hear voices are "low-level communicators"; those who can see them on this basis are "intermediate communicators"; based on the first two, those who can touch them are a very small number in the crowd, "advanced communicators"... Luo Yi, an ordinary high school student, was dragged by his best friend to an abandoned hospital to participate in a "test of courage" in the afternoon of late autumn. When he was attacked by zombies, he met a mysterious beautiful boy named Scobin. From then on, his life deviated from its original track...