Maou Evelogia ni Mi o Sasageyo

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. Gozu begins to woo Evelogia by admitting, "I fell in love with you." Together, they aim to conquer the world.