In an accident, an indifferent genius 10 year old boy falls along side a comet into a dreamland. There, he lives with the dwarves who inhabit the planet, using his talent and power to practice and grow his skills. Not only does he master the unparalleled smelting and forging techniques of the dwarves, but he develops a new form of martial arts as well. Just as he settles down and seems to be living a peaceful life, the cruel desires of others appear… 101q4k
100 Chapters (Complete)

Dumb, filled with disruptive kind of humor and a boring as hell MC that is perfect, a never seen genius more intelligent than Senku (Dr Stone), more hardworking than Lee (Naruto) and with the luck of the goddess Tyche (Fortuna) or Ichiko from Bimbougami ga if you prefer a manga reference.
Try a few chapters, if you think it's funny you'll probably like this, I'm trying my best to get to when he leaves the village following hoBRO's recomendation but it's a rough journey.
... Last updated 5 years ago
Once it gets going, it's pretty good. So around the time he goes out of the dwarf village or something.
Maybe after ing the dare to die group or when he goes to the arbitrator school.
I like the dwarves. They're nice and taught him some good forging skills.