You are the first female hunter to get an SSS rank and as a representative of your country's hunters and enter the top 3 strong hunters. You have defeated hundreds of bosses in hundreds of dungeons.

One day while you were patrolling the subway station, a new dungeon suddenly appeared, a dungeon with red smoke surrounding the entrance, a sign that the dungeon was SSS rank and could only be entered by 1 SSS rank hunter. because you happened to be there you finally decided to enter.

In the dungeon you saw a slime that looked weak, when you got close suddenly the slime changed its shape into the figure of your long-dead ex-boyfriend. and your windows status suddenly showed a notification

[1 vs 1, defeat the boss and get your reward]

you stared at the dungeon boss with a stiff body, you could see that his appearance was very similar to your ex-boyfriend but not the way he looked. cold, and gripping, really had the aura of an SSS level dungeon boss.