if you ever make a sequel or a "full version", here are some things that i feel could be improved on:
1. give each of the eating partners their own ship transformation with its own special ability, so there's a reason to get them all beyond just new eater visual
2. more food variety. i love bread rolls as much as the next guy but i think having some variety, even if it is just more balls of carbs, would benefit the game. heck, the different foods could even upgrade different stats about the girls' ship forms
3. when a non-playable character in the eating scene is full, have them try to throw food into your mouth, with a chance of it working if you don't block it
4. add a dating/relationships mechanic, in which characters that have a certain amount of relationship with each other can perform powerful team attacks.
terraformtrent also made a good comment on improvements to the game so check that out too if you see this