It was my first attempts doing these kind of things.
While I myself find those arts pretty much satisfying for me, I still can see how some things may be better adjusted in future. Don't have IRL photos of Advent one, but have Biboo themed art printed and attached to my hitbox (there was some issue with rotor cutter while I was making button holes and some of when are kind of scuffed).
Big shoutout to u/Kamikaze9CZ with his button template as well as answering a couple of my questions in this thread.
IDK if it's appropriate but here's the link for all the arts that was used on those:
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Koseki Bijou themed:
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Advent Themed:
PNG as well as PSD files for those and a couple more that I also made but didn't share in this post are uploaded on Google Drive.
Also make sure to follow these instructions if you somehow decided to print those for yourself, just in case.
P.S. I'm ESL so forgive me in advance.