Celeina Ann was born in Japan to an American father and a Japanese mother. Having an American father gave her a familiarity to Western culture since childhood, and she began playing the guitar in junior high school. In 2014, she started her own YouTube channel, "Celeina Ann's channel", and began posting covers of Western songs. She attracted the attention from the younger generation, and garnered an audience of more than 10,000 people in TwitCasting.