Hanaori-san Still Wants to Fight in the Next Life

What is Hanaori-san Still Wants to Fight in the Next Life?

Ryuusei Narukami spends his days cooped up in his room playing video games, but hides a secret past as an evil dark lord from a fantasy world reincarnated into our world. He has a fateful encounter with the belligerent Hanaori Meteor, the hero from Ryuusei's world who defeated him, now reincarnated as a high school girl.<br><br> (Source: Anime News Network, edited)