I'm the Hero, but the Demon Lord's Also Me Volume 3

Yuuma’s new life as a hero and a demon lord isn’t easy—every day, more and more beautiful women show up at his house, and he can’t get a moment to himself! On top of that, he learns a member of the Demon Dragon Clan is on her way to challenge him! He’ll have to find the demon sword quickly if he wants to emerge unscathed, for without it, he doesn’t stand a chance…