Magic Kaito Season 2?

I checked out Magic Kaito on Netflix today. The end was still open and I wonder where (2020) you can watch season 2 and whether there's a season 2 at all?

No, there's no second season.

I'm not sure but I don't think there will be another season because detectiv Conan is the sequel, so to speak (as I said, I'm not entirely sure)

Not known if one will come at all. But Detective Conan can be seen as a sequel, because Kaito Kid (especially in the films) and Magic Kaito often appeared before Detective Conan.