Her Regretful Days of Killing Time Anime Details and Episodes A tale of immortals faced with the fragile mortality of their human companions. Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedScore64/100SourceOriginalCountryJapan Drama · Fantasy · Romance · Slice of Life Heterosexual · Time Skip · Monster Girl · Adoption · Ensemble Cast · Tsundere Backyard Junk Universe (Related)