Reverse Transmigration: From F-rank to SSS-rank

Ardyn,theCrimsonMonarchwasaDemonKingfearedforcenturies.Untilhewasbetrayedbyhismosttrustedgeneralandsealedawaybythecombinedmightofthedemonandimmortalrealms.Buttheworldhasotherplans,becauseinsteadofremainingsealed,hewakesupinamodernworldwheremagicstillexists…buthere,unlikehisworld,powerisn’tstolen,itisearned.Peoplecompeteforpowerandrecognition,andonlythestrongestrule,whiletheweakalwaysendupaspawns.Hefoundhimselfinthebodyofaweakbulliedteenagerwhoendedhisownlife.Buttheoneproblemnowwasthathisdemonicpowerswerestillsealedaway.Now,hehadtostartalloveragain,killwhoeverandwhatevergotinhisway,justtogettheonethingthatmatteredmosttohim....power!Becausenomattertheworld,onetruthneverchanges,onlypowermatters,andonlythestrongsucceed.Author'snote:I'manewauthorsopleasedon'texpectaperfectstory.someofyoumightbedispleasedwithhowIexecutedtheMC'Sabilities,butIassureyoutheplotisworthatry.It'sfineifsomeofyoudropthenovelforthosereasons,Ijusthopeyoucansupportmyworkwhileyouread.Ifyou'relookingforaperfectlywrittennovel,thenthisisn'tforyou.