Numerous artists have used the name Yumi.. 1) Yumi is a screamo band from Singapore. https://yumisg.bandcamp.com/ 2) Olivia Yumi Nootenboom uses alias YUMI NU is Officially signed to Wilhelmina Curve at age 14, the now 21-year-old singer and YouTube personality, YUMI, is ready to show the world her talent. Her new single, “Ego Boost,” released with Dim Mak last week, is a soulful, electronic, R&B track written about a toxic relationship. YUMI’s lyrics carry an emotional honesty that offers a refreshing sense of clarity to her listeners.