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Arai Ria

Arai Ria (2023)

Arai Ria (新井梨杏) is a Japanese singer and Idol managed by STU. She is a 3rd generation member of the Japanese pop girl group STU48.


  • Name: Arai Ria (新井梨杏)
  • Nickname: Riachuu (りあちゅう)
  • Birthdate: October 5, 2008 (2008-10-05) (age 15)
  • Birthplace: Hiroshima, Japan
  • Blood Type: B
  • Hobbies: Listening to music
  • Specialties: Calligraphy, soft tennis
  • Bands / Groups:

STU48 Song Participation


Single Participating Song Position/Unit
Kimi wa Nani wo Koukai Suru no ka? Yuutairidatsu to Kanashibari 3rd gen Kenkyuusei


Album Participating Song Position/Unit
Natsukashii Ashita Hana wa Dare no Mono? Gasshou Ver.
Tsuki to Boku to Atarashii Jibun


  • Currently a member of STU48 Kenkyuusei as of April 9, 2023.
  • Favorite Food: Strawberries
  • Recommended Things in Setouchi: Delicious air
  • Desired Penlight Color: Purple x white
  • Attention Point: Natural hair is brownish
  • Jobs I Would Like to Try This Year: STU48's Ishin TV appearance


External Links