[very NSFW] Bit's Growth Drive - Finale. Also some booty (Patreon)

Finale to that silly little drive thing I did with Bit.

I kinda screwed up on some of the numbers parts so I tried to make up for it by the end, including rules-lawyering one of the thresholds (cause I had set it *way* too high compared to the other thresholds).

Also a few booty gifs for some friends.