Anime Crossover: The Black-Winged God-Tier Form Shakes the Demon Realm

After transmigrating into Welcome to Demon School! Iruma-kun as Iruma Suzuki, he awakens the Above All Things System and unlocks a divine black-winged form, gaining unrivaled combat power and the ability to wield laws. After Sullivan adopts him as his grandson, he pretends to be an ordinary demon and enrolls at Babyls. He crushes the top student at the opening ceremony, accidentally makes a strict teacher his familiar, wins over Asmodeus, and protects Clara. With his invincible strength, he takes the demon-world school by storm and begins a carefree, swaggering daily life as the strongest demon.