The distance between the JJK manga and anime isn't too significant. The anime mostly adheres to the main plotlines of the manga, but there might be some minor tweaks for the animation format.
To recover from the hack, Tim should first contact the relevant service providers. For example, if his email was hacked, he should inform the email service. They can often help in terms of securing the account again. He should also run a full anti - malware scan on all his devices to remove any malicious software that the hackers might have installed. Additionally, he should review his privacy settings on all his accounts to make sure they are as secure as possible.
Well, it could be how your life got more challenging or how it got filled with new opportunities. But without further details, it's hard to say for sure.
One idea could be a story where Yuji and Nobara go on a special mission together in an unknown location filled with new types of curses. They have to rely on each other's strengths more than ever.
The JJK anime lags behind the manga to a certain extent. There are new storylines and character growth in the manga that haven't made it to the anime screen yet.