四股座り？

なんか変な座り方

You are sitting in a strange way.

ミィ「別にぃ」

Mie:There is noting else.

四股座りみたい

That way you sit looks like a squat.

一時期、4.2kgまで落ちた体重が5.4kgまで回復

His weight dropped to 4.2kg at one point,but recovered to 5.4kg.