After switching schools due to his father's job, Aoba Riku encounters a bizarre new high school environment. The headmaster's secretary wields power under the guise of academic freedom, the eccentric teachers add to the oddity, and a significant portion of students sport animal ears. Riku's initiation involves a perilous entanglement with the student council's activities, throwing him into a chaotic frenzy on his very first day. Amid the typical high school challenges like social hierarchies, romantic interests, and academic pressures, Riku navigates a precarious path, wondering if he can endure the peculiarities of his new educational setting.