Anyone got the raws? I thought Eirin should be saying "it" instead of "you" in this, she says it in a detached manner.

Has Kaneh ever translated something that wasn't translated already?

no, never.

yeah she refers to it as an object

Man , that puffing up looks sooo cute! :3
I want to squeeze it!

now that's a funny way to deal with the puff up, hell, even a ego blowing one.

"Oh you think you are so scary for puffing up? how cute!" *presses to force the air out* "See? No more Puff up! I think it doesn't work lil yukkuri! =D"