Maou Evelogia ni Mi wo Sasageyo

The story begins when an aimless young man named Toshiaki Gozu 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, "...