I don't know if you're familiar at all with these head replacements but they can get you close enough to the look you want plus they have tons of extras for expressions.These heads can be used with Maisie that is included in Poser.  https://www.renderosity.com/marketplace/products/147433/universal-chibi-head     https://www.renderosity.com/marketplace/products/147055/universal-anime-head