Enako (or also known as Enako-rin) is the most famous cosplayer in Japan, who just revealed her annual income from cosplay was about $500,000.

“I was having a review meeting this year with Yoko Inui (the management office president) and when I saw this year’s annual income, it exceeded 50 million yen!”

https://soranews24.com/2020/12/31/japans-number-one-cosplayer-enako-sparks-heated-debate-after-revealing-insane-2020-income/

More recent inforamtion about Enako-rin.

https://soranews24.com/2021/08/26/japans-number-one-cosplayer-enako-reveals-shocking-amount-she-earns-from-manga-gravure-modeling/