Yua Aida was born in Aichi Prefecture, Japan, on August 12, 1984.

Aida was an active girl and involved in many sporting activities during primary and middle school. Tennis was her strongest sport throughout middle school. In high school, she changed her focus on sports to her interest in art, which she attributes to her mother. Aida reports that exposure to nude models while oil painting would help her to be more comfortable when starting her AV career.

After her graduation from high school, Aida was working at a part-time job when she was scouted by an AV talent agency while shopping in Tokyo.

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