- See Also: Nakanishi Kana
In 2014 she joined POP iD, an idol cafe and theater. She performed as a member of PiGU Team Star Platinum.
She graduated from POP iD on April 28.
In early summer she was a member of Yutoridonburi (ゆとりどんぶり。), an amateur Hello! Project dance cover group composed of students of Kwansei Gakuin University who participated in a UNIDOL competition. However, she was not able to stay with the group through the entire competition ending August 28.
In July she was announced as a new member of professional group Camouflage.
Nakanishi graduated from Camouflage in July 2016.
- Name: Nakanishi Marina (中西真莉奈)
- Nickname: Marin (まりん), Nakarina (なかりな)
- Birthdate: October 16, 1995
- Birthplace: Osaka, Japan
- Blood Type: B
- Height: 158cm (5'2")
- Western Zodiac: Libra
- Eastern Zodiac: Pig (Boar in Japan)