Shuri Yuuki is tasked with starting anew at Karasudai private school after being compelled to step down from his former high school due to an incident. As a teacher, his initial encounter at his new post involves rescuing a bird from a dog's clutches, but the situation takes an unexpected turn when the dog inexplicably morphs into a demonic entity before his eyes. What other unpredictable events will transpire in this institution teeming with unbridled students who possess something other than human qualities?
