快晴 (feat. IA)

Orangestar is a Japanese Vocaloid music producer and composer. He began uploading songs to Niconico in 2013. In 2015, he released his first album Unfinished Eight Beats at the age of 17, which topped at rank 45 in Japan according to Oricon's weekly charts. Orangestar stopped his musical activities for about two years starting from 2017 due to his missionary responsibilities as a Mormon and became active again in 2020. Later that year, he married illustrator Kase (ja:夏背).