The story is about the gates portals from the monster’s world opening on the surface of the world. This affected humanity and monsters started to hunt people. Many of them become hunters and have their special abilities and combat skills to defeat those monsters.

Sung Jin-Woo is considered the weakest hunter in the world and he is known as the World’s Weakest with E-rank Powers. During a mission n in the dungeons, he sacrificed his life to protect his team and commander. He woke up on the bed in the hospital and this help him in creating his strength just like in video games. He always gets high strength after completing all the tasks in the way he increases his rank. He achieved S-Rank powerful strength got to know about the various secrets of the portal and fought many foes on his way.