Dimensional Sovereign

Kang-jun’s whole world is a goshiwon room barely wider than his own shoulders, a graveyard shift at a convenience store, and a body that still aches some mornings from an accident he never mentions. None of it was supposed to add up to anything. Then he finds a corpse under his bed — which, if you think about it, shouldn’t be possible especially in a room that small and in a life that empty — well the corpse talks anyway, like the impossibility isn’t even the main point here.

It calls itself Hwanmong. Not a demonic creature and not anything Kang-jun has words for, just black magic wearing a name. And his offer is simple: a hundred unknown missions, or he forgets this ever happened and goes back to owing rent he can’t pay.

For a while, that decision changes nothing since he cannot actually tell if any of it was real. Same shift, same empty account, the days folding into each other the way they always have — until messages only he can see start bleeding into the edges of ordinary life, small wrongnesses piling up until he can’t write off the corpse as a bad dream anymore. It was real. Which means the deal was real too.

The timing turns vicious right when he starts asking what he actually agreed to: his job vanishes, the rent problem sharpens into something closer to a threat, and people who never noticed him before start treating him like someone safe to push around. However, he doesn’t fold. He starts di