Originally an ordinary teenager, he accidentally ingested wolfhead grass and left the blood of a werewolf in his body. During an unfortunate incident, he transformed into a werewolf in front of his favorite girl... A seemingly ordinary school now attracts countless legendary experts, from vampires to Western churches, from zombies to Eastern Taoism, from Ninja to Necromancer. Even the ancient mythical beast Yan di also showed up to join the fun. But what is their purpose for appearing? What secrets does this small school hide?