My regular original size. Something feels out of place—I believe it's the character's fault.

I often draw this head-body ratio too. It's just a cute size. Akari-chan is cute.

Big head size. Seems to work well for 4-komas. (medium-small)

No curves, no waist (loli)

1.5 body-to-head ratio

YuruYuri

Head-body ratio examples