aight /f/aggots here's the deal, you're getting isekai'd on /fit/.
You've just woken up as 200lbs/90kg hambeast 5'4" manlet, you're locked in a room for 3 months with the goal to get fit and meet up with a girl that you catfished (failure to get fit means you'll live as a permavirgin).
Your equipment is as follows:
> A cheap plastic barbell set that can go up to 25kg max.
>Pullup bar
>Treadmill
Construct a routine, what would you gymcels do in this situation, which one of you would zyzz out the fastest.