An artist I found on booru which have some good details on the eyes.

In some of his images are chibi and normal ones are cute cartoonish.

Trigger word:

nzn_artstyle

Recommended settings:

Strength: 1.0-0.8

CFG Scale: 7.0

Sampler: DPM++ 2M Karras

Steps: 20-25

v2.0 UPDATE!

New trigger word:

nznv2

v2.5 UPDATE!

New trigger word:

nznarts