So, this may reek of self-shilling (and I suppose it is) but there have been several name tables which, while not...

So, this may reek of self-shilling (and I suppose it is) but there have been several name tables which, while not specifically designed for Yoon-Suin, would be right at home there. I've called them 'faux-asian' because they're very much fantastical gibberish meant to imitate real names, much like how a lot of D&D names are some weird mix of European languages or sounds which seem 'old and exotic'.

https://theamateurdungeoneers.blogspot.com/2018/03/d100-faux-asian-exotic-names.html

https://theamateurdungeoneers.blogspot.com/2018/03/d100-more-faux-asian-exotic-names.html

https://theamateurdungeoneers.blogspot.com/2018/05/yet-more-faux-asian-names.html