Hi I'm Cyborgnekosica, wanting to try yandere game jam for the first time. I can help making art for CG, sprite, or background art in lineless anime style. I will send my art website if you want to see example of my art.
Artfol: https://www.artfol.co/CyborgNekoSica
DA: https://www.deviantart.com/cyborgnekosica

I also had joined many previous game jam before, you can check my page if you want to take a look.