Koyo
There are multiple artists with the name KOYO:
1) KOYO are a melodic hardcore/punk band from Long Island, NY, currently signed to Triple B Records. https://koyolihc.bandcamp.com/
2) KOYO (코요) is a South Korean singer. She debuted on September 13, 2018 with Goodbye, an OST for the drama 마성의 기쁨.
3) KOYO are Huw Edwards (lead vocals, guitar), Jacob Price (sampling, synthesisers), Seb Knee-Wright (guitars), Dan Comlay (bass) and Tom Higham (drums).