When the bar is full and the MC has a full term belly, it would be cool if there is just slight belly movement to imitate fetal movement; nothing major, just a small animation addition.

That and appropriate bigger belly sizes if the model allows it. I don't know if it was intentional, but the Slime Milker does go past the regular "big belly" size and I thought it was neat.

Ah okay, that's good to hear ^__^. 

Thought going past the regular "big belly" size was a bug because the belly goes pretty wonky at a certain size. I think around 4th use and up.

Maybe the option for a second model and one of the slimes making mc a futa? 

Game looks great so far btw!