- Birth Name: Nishikawa Rei (西川怜)
- Nickname: Rei (れい)
- Date of Birth: October 25, 2003
- Place of Birth: Tokyo, Japan
- Blood Type: B
- Height: 149cm
- Bands / Groups:
AKB48 Song Participation
|11gatsu no Anklet||Houtei Sokudo to Yuuetsukan||U-17 Senbatsu|
- Miniskirt no Yousei (Zensa Girls)
- "Nankin Tamasudare"
- Tenshi no Shippo (Zensa Girls)
- 7ji 12fun no Hatsukoi (Kenkyuusei understudy)
- Kikyou (Kenkyuusei understudy)
- Tonari no Banana (Kenkyuusei understudy)
- Originally a candidate for the 2nd AKB48 Group Draft, she was drafted by Team B in the second round and remained in Kenkyuusei until she was promoted to Team B on September 27, 2017.
- Aims to be like Kashiwagi Yuki.
- Her special skill is dance.