Kuro is more likely to use his magic to inflate you slowly. You probably won't even notice at first.

It'll start with a bit of burping... But that could've been that soda you drank earlier.

Then you'll feel a satisfying fullness in your belly, but you did have a big lunch... Right?

Soon your shirt starts to feel tight, but when you check your weight it's about the same as last time you checked... Perhaps a bit less actually!

...you swear that you were able to see your footpaws earlier, right? And you're still burping periodically too. Something is definitely going on, but the feeling of fullness is spreading across your whole body, making it harder to focus.

It's getting harder for you to walk, it's more of a waddle now, and every step gives a slight bounce... Those doorways are a bit of a squeeze...

Perhaps you're not in the right frame of mind to care, but now you're stuck, pinned between the floor and ceiling... You feel so full, but it's somehow not uncomfortable...