Kelvin trades away his memories of a previous life for an S-class summoner title and extra skill points before reincarnating into a fantasy world. His first contracted follower is Melfina, the goddess who brokered the deal, and he quickly recruits the half-elf archer Efil as he tears through dungeons and ranked guild quests. Less driven by duty than by an insatiable appetite for stronger opponents, Kelvin carves out a reputation as an adventurer no one wants to cross.