Genius Son-In-Law, Starting with Nuclear Fusion as a Birthday Gift

Ye Shufan was late for his father-in-law's birthday. Everyone thought that Ye Shufan was a freeloader, so they asked their cousin to call Ye Shufan, but they found the mecha. "I heard that you are not satisfied with your son-in-law. It doesn't matter. I happen to have another daughter-in-law who I can introduce to him." "I didn't, don't talk nonsense. This is my precious son-in-law, no one can take it away from me!"