Your art style is stunning- especially love that first piece! :]
The last portrait you shared reminded me somewhat of Koyoharu Gotouge's artstyle (artist for Demon Slayer), so I'm going to suggest that.
For a second, more minimalistic option, maybe Sulmo's? Sulmo (sulmo73 on instagram) is a korean artist who illustrates Mage Again on Webtoon. Their style is very cute and ghibli-esque.
For my characters, I'll likely draw one of my female leads- Kassia or Nora ^^