That was a pretty bleh first issue

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link here)
Yuta and Maki's characterization felt way off. Also, it kinda makes no sense that their daughter is so detached from everything and just follows the instructions from the Gojo clan. That whole intro felt clunky as hell.
One of the few things I really liked was implying that these new generations of Jujutstu sorcerers continue to get weaker, it's an interesting thread that's picks up a lot of the implied stuff from the og series.
Best thing was the art, you can tell another artist took over
Rika gonna eventually show up and kill an entire alien species isn't she?
I think you are giving Gege too much credit, I legit think he has very little to do with this series besides putting his name in it to sell more copies and not let this new artist take over completely (and "risk" losing control of his creation).