itch.io

You should do something with the Shygals where the first few you meet in the emtrance to the area are fully friendly, but then the player is met with a "restricted" area that the player has incentive to go through, where the Shygals there are instead hostile to the player for tresspassing

Yeah, it'll give you future updates free of charge. Most of itch.io is like that. Typically, you'll have downloads for a game locked behind specific prices. Whenever you "buy" a game, you'll have a dollar amount attached to that page and whenever the dev uploads a new version set for the new price or lower, you'll get access to that content.

Does the MC have a canon/community-decided name?

I bought the summer bundle, but it's not opening up the downloads for ver 0.75 even though I'm supposed to have access to the latest version