An aimless young man named Gozu Toshiaki is killed and resurrected as a background character in a game world he has been playing. Gozu encounters the Demon King Evelogia, the game’s last boss whom Gozu has adored since he was little. He begins to woo Evelogia by admitting, “I fell in love with you.” Together, they aim to conquer the world.

A serious honor student “Chizuru Shiina” was shunned by her classmates due to her being a teacher’s pet, but none of that mattered whenever she ran into her favorite teacher that she so deeply admired…