As an F-rank healer, Lee Jinwoo has spent his life being overlooked.

Everything changes when his healing unexpectedly purifies an S-rank Hunter on the verge of becoming a calamity, a miracle the world believed impossible.

The cure works.

It just comes with one inconvenient side effect.

Every S-rank Jinwoo saves develops an overwhelming attachment to him.

Suddenly, the weakest Hunter in the world finds himself caught between obsessive heroes, dangerous villains, and a secret organization that sees him as humanity's greatest hope, or its next catastrophe.