Starting Over with SSS class: OP Yandere Won't Let Me Die

System,monstersandgateswerejusttheopeningact.Therealwararrivedlaterandwipedouthumanity,buthestillmanagedtoendit.Sowhydidshereset?Itturnedout,thisbadending,whereeveryonedied,hadbeenorchestratedbysomeoneelse.Aregressor.Anobsessedwomanwithonlyoneobjectiveinmind:tokeephimalive.“Mylifeisnotworthbillionsofothers...”Wieldingthepowerofdeathhadmadehimvaluelifemoredeeplythananyone.Sohekilledher,andusedhisclassabilitytostealherskill.Now,hewouldbetheonetorestartthetimeline,tobecomeafakeregressor.Rowansetoutwithasinglegoal:savetheworldwithoutsacrifice.Somethingevenaregressorwhohadspentcenturiestrappedinatimeloopcouldn'tdo.Istherereallyachancehecanpullitoff?---WhattoExpect:-Astrong,good-heartedMCworthyofatrueYandere'slove-Gun,lotofGUNS-AYanderewhoisstrongerthantheMC-Noharem(andtheywouldbelucky,becausetheregressorwillkillanyonewhoevendarestry)InspiredbyJohnWickandSoloLeveling.