 If you liked
All You Need Is Kill
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 ...then you might like
Re:Zero kara Hajimeru Isekai Seikatsu
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In both of these series the protagonist resets time upon his death. It portrays the character as someone who is struggling and fighting alone, with no help from others. One way or the other this ability will be exploited so that the protagonists and those dear to them will be able to survive.