They moved multiple times due to her father's work, including to France and the United States, but have been living in Tokyo, Japan since her first year of high school.
[6] Reina was scouted and began working as a model for Platinum Production in her second year of high school.
In 2011, Reina made her singing debut as a featured artist on Rocketman's song "Love Disco".
[8] Her performance earned her the Best Actress Award at the 19th Fantasia International Film Festival in Canada.
[10] At the end of 2021, Reina began starring in Watashitachi Kekkon Shimashita 2, the second season of the Japanese remake of We Got Married, where she was paired with actor Kōdai Asaka.