Boku no Tonari ni Ankoku Hakaishin ga Imasu.

Meet Seri Koyuki, a high school student with a singular, fervent wish: to live an ordinary, uneventful life free from eccentric personalities. His wish, however, is spectacularly denied by the arrival of Kabuto Hanadori, a classmate whose delusions of grandeur and belief in his own hidden, dark powers are matched only by his complete lack of self-awareness. Hanadori, convinced he harbors a "God of Destruction" within, appoints Seri as his reluctant confidante, dragging him into a series of increasingly absurd, yet strangely endearing, daily escapades. This uproarious comedy chronicles Seri's valiant, often futile, attempts to maintain a semblance of normalcy amidst Hanadori's fantastical pronouncements and the equally peculiar classmates who orbit their chaotic world. Prepare for a heartwarming, if slightly unhinged, exploration of friendship, self-acceptance, and the delightful chaos that ensues when the mundane collides with the magnificently imaginary.

✦ AI-drafted summary