Although I Am Only Level 1, but with This Unique Skill, I Am the Strongest

Satou Ryouta who died from overworking at a black company was transported to a different world, and is now burdened with inconvenience that his level is fixed to 1. While he did not raise his level, he had a unique skill that can drop cheat-like item that shouldn’t exist in the world from a monster. He got to know about his status and MAX them with the help of ability-up items, and furthermore he gathered a number of weapons and items that can only be used by himself, leaving as Level 1 and becoming the most powerful and well equipped.