Costume and fashion designer as well as cosplayer who is popular on YouTube for her DIY clothes transformation videos. She has earned more than 750,000 subscribers. She later went on to create a mukbang channel called Yummy King.
She obtained a degree in engineering from an engineering college in China. She created her YouTube channel in April 2013 with the username DesignsByYumi.
She has a strong following on Instagram of more than 60,000.
She is from Nanjing, Jiangsu Province, China and would later reside in Seattle, Washington. She is an only child. She got married to Scott Cook in November 2017.