JINWOO SUNG, OFFICIALLY S RANK Leveling up in C-rank dungeons has become next to impossible for Jinwoo. But an E-rank hunter attempting anything higher? Well, that would raise some serious red flags.so the time has come for a reevaluation. And when the results are back, it's official--Jinwoo is the tenth S-rank hunter from South Korea! An entirely new world, brimming with powerful magic beasts and elite hunters, is now open to him. But before he can immerse himself in it, there's something absolutely vital he has to do.