Next Door to the Evil God

[The blurb was written on a whim and may be changed] An evil god descends, intent on destroying humanity. He decides to start by killing the strongest human alive. Several years later. As the evil god tries to carry out his plan for the 1,839th time, that human sprawls across the evil god's bed, arms and legs spread wide. He undoes his shirt and grins with reckless abandon. "Come on, kill me." The strongest human, top x the chuuni evil god, bottom Theme: 1