Zongman, I have a million friends

As a time traveler, Amano Gen awakened the golden finger named System in his mind when he was just born, and gave him novice benefits, but there was a small problem with the strengthening, which caused him to be temporarily blind. Over ten years. The system that had been silent for a long time also began to issue tasks for him, allowing him to travel between different worlds. Therefore, he met many friends from different worlds, including the ambitious uncle Kaido who is called a hundred beasts,...