The drawings are sharp, but they are uninspiring, except for the little girl. I'm guessing you used AI. Check out my game Wingin' It! that combines both an AI generated picture and my own drawings to liven things up.
Viewing post in Spirit Talk - Cozy Visual Novel - DEMO comments
The game is entirely hand-drawn. The website even has a post with sketches by the illustrator. https://tortita-studio.itch.io/spirit-talk-cozy-visual-novel/devlog/1448311/some...