Oshima Rio

 was a member of Ange☆Reve. She joined the group in December 2015. She graduated on December 30, 2016 due to family problems.

Profile

 * Name: Oshima Rio (大島理緒)
 * Nickname: Riorio (りおりお)
 * Birthday: January 8th
 * Birthplace:
 * Zodiac:
 * Blood Type: A
 * Height: 155cm

Singles

 * Stare

Trivia

 * When she joined the group, she immediately became the group's oldest member, until Mizuno Yua joined the group on December 6, 2016.
 * She is very close to Matsuda Ayuna, Watanabe Kurumi and Matsuwaki Akari, which is called AkaRio.
 * She and Matsuwaki are the only members of the group who had short hair.
 * Among the group members, she has the longest running Twitter account, and it is the same account she used back on her previous group.