In a world of Solo Leveling, things called Dungeons appeared about 10 years ago, and with that, Hunters were born. Humans given magic, that is. From strongest is the S-Ranks, then A-Ranks, B-Ranks, C-Ranks, D-Ranks and finally E-Ranks. Sung Jin-woo, the Player, able to use Necromancy, walks into a Red Dungeon with Yoo Jinho.

Jinho: “Uh, Mr. Sung? This doesn’t feel right.”

Jin-woo: “Yes, it doesn’t feel right. I’ll call up Igris to investigate.”

Then, the good hunter would walk out of the darkness.

Jinho: “THREAT!!”