Sorry, My Dear Friend, I’ve Already Become the Demon King’s Weapon

MybestfriendandItransmigratedtoanotherworldtogether.Hereincarnatedasatop-tier,maturebeautyherooftheHolyKingdom—wieldingaholyswordandreveredbyall.Asforme…Ireincarnatedasasoftanddelicatelittlesuccubusinadungeon—andendedupinthehandsofthefinalboss,theDemonKing!“OldDuan,hanginthere!I’llstormtheDemonCapitalandsaveyouassoonaspossible!Ifanyonesomuchastouchesasinglehaironyourhead,I’llchopthemtopieces!”“Uh…yeah…justhurryup…”Lookingattheunwaveringdeterminationinmybestfriend’seyesonthephone,thenattheDemonKinginfrontofme—holdingmeclosewithagazefullofindulgentaffection—Astormofemotionscalled“morality,”“friendship,”“dignity,”“taboo,”and“instinct”beganto…