I hope the dad doesn't just believe this lady...like don't DNA tests exist in this world?

The mastermind of all the bullshit already put sth in place to fake the DNA test in previous chapters. I think that it'll be the brother doing

Ohhhh that's right. Well I mean, the dad should do the DNA test himself. I wonder how they're just gonna pull off handing him papers that mc is his son. I wouldn't believe that shit.

The dad seems gullible and maybe the guilt will cloud his judgment. We'll see