Question about Kickstarter project

[sonatine-artsu.livejournal.com]

Hello everyone!

I've received an invitation to be part of a BL novel project. I'd be celshading the characters, by the way.

I have never done anything apart from commissions, so I understand very little about commercial works.

It's said that 45% of the funds will go to artists, and I believe it's 2-3 artists working on it (the background artist, the artist in charge of the cel shading and the lineart artist, which I believe it's the project owner).

If any of you guys have any knowledge about that, I'd like to know how these things usually work.

• If I were to work on it, I should probably ask for payment upfront for each CG in order to avoid scam, right?
• After the game is released, and if it's successful, do I have the right to part of the money?
• If yes, how do I ensure I will be paid? Is a contract needed?
• If not, should I charge extra for commercial rights?

Overall I just really wanted to understand the procedure and what to do in cases like this to assure I will not be scammed :c

Thank you so much in advance!

EDIT: The Kickstarter thing has already started! They have donations of over 5k+ dollars by the way.

EDIT2: I've contacted them asking about the financial part, and they've told me they'd pay me upfront. They also said they'd be fine with a contract but I have no idea how to do those? LOL someone help please? ; x ;