Rmoo was born and raised in Aomori. After she escaped the 1995 Sarin incident, she went abroad to keep painting. Her art activities are centered on solo exhibitions.Although her works are thin oil paintings that are closer to classical paintings, they are styled as modern art.

She incorporates all the thoughts of one day and all memories of one places. Mother Nature is also a major influence in her works, but the colors that appear in the back of her eyelids when she wakes up every morning determines the color(s) of the day. She values her interactions with the brushes hardness, paints and other tools that change depending on weather.