Dayuan Ling
- Birthday
- 2000-04-18
- Height
- 163
- Hometown
- Kagoshima Prefecture
- Zodiac
- Aries
- Blood Type
- A
Rei Oen (おおぞのれい), born on April 18, 2000 in Kagoshima Prefecture, Japan, is a new second-year student of the Japanese girl idol group Sakurazaka 46. On September 7, 2019, the official website of the Sakado trainee was opened, and Dayuan Ling was one of the 15 Sakado trainees.