I Conquered the Multiverse with my Secondary Jobs

Ryo is an orphan raised by an old carpenter legend on earth. He grew up with obsesive compulsive personality and addiction to perfection. "not yet... it can still be improved" "no its not yet perfect" "i can still make this better" "the balance is off by 0.000001kg" "ahg, why can i still see imperfections...?" Let us take follow him in his adventures, as he build his own kingdom that will conquer the multiverse...