https://www.royalroad.com/fiction/84184/more-to-love-otome-action-rpg-isekai
MC finishes character creation and immediately gets sucked into the body of her creation's bff.
This site has a great "in the same universe" system in place. Just link your books and it will be fine. Make sure to do a follow up ending chapter that explains to your readers where to go for more.
Do you know what the exact time for a meter is?
No clue what time has to do with anything? Just keep it at units of stinky feet and not overcomplicate things.
You have control over two things: a harness and rope. Not just a singular sling. Go infinite buttered-cat-toast and generate infinite lift until you hit the arbitrary max you told us. 100 stinky feet.