Anime Crossover: Reborn in the Modern World, I'm Invincible

You Ye, former Demon King, current transfer student at Sobu High. On his first day out of the hospital, the angel next door knocks on his door, a girl in his class is giving him the cold shoulder, and his homeroom teacher calls him in for a talk. He only wants to get through high school in peace, so why is he always surrounded by people? The Demon King gives a helpless smile: This world is so much warmer than the demon realm.