these webtoons were purely listed for their unique art styles, beautifully drawn characters, anatomy, scenery, clothing, hairstyles, facial features, expressions, and details—not for the plot or storyline.
check out the 1st list:
manga stories with beautiful art (no anime adaptations)
https://www.mangago.me/home/mangalist/1855865/ and the 2nd list:
manga stories with beautiful art + anime adaptations
https://www.mangago.me/home/mangalist/2306951/ 
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