Dave dies twice. First time he sees a paramedic. Second time? He's in for a wild ride with dragon slave girls, foxgirls and other questionable things on the Dyson sphere world of Arxtruria!
[Themes: Harem, Isekai, Litrpg, Progression Fantasy, HFY, Tech uplift, City Building]
[Note: first two chapters are very grimdark but the first waifu will appear in chapter 3 and things will get lighter from there]