한 Ria Ria (리아) was a South Korean Female Artist(Born in Japan). She started in group Botopass. She retired in 2022. Read All General Information International Stage Name : Ria Domestic Stage Name : Pronounce 리아 Full Name : Kuwayama Ria Full Domestic Name : くわやまリア Date of Birth : 1998-02-03 (age 28) Zodiac : Aquarius Country of Birth : Japan Related Artists : Botopass - Vocal Artist retired : 2022 Original group : Botopass (No longer a member) Images