Kozuka Marina (小塚真里奈) is a former Japanese singer and former cheerleader. She is a former member of TNX's GTT Club and a former member of NICE GIRL Project! Kenshuusei. She left NICE GIRL Project! and TNX on January 31, 2011.
Before joining TNX and NICE GIRL Project!, Kozuka was in a duo called Puchi☆Puchi (プチ☆プチ).
On March 11, she alongside Katou Karen, Sasatsuka Shiori and Hatano Wakaba were introduced as members of GTT Club, at Shibuya-O East. The group served as backdancers for acts such as THE Possible, Canary Club and Tokito Ami. She also became a member of NICE GIRL Project! Kenshuusei. Prior to becoming a member of GTT Club.
On January 31, her name was removed from the members list on the trainees blog, indicating she had left NICE GIRL Project! Kenshuusei. After her departure from NICE GIRL Project!, she became a Diana cheerleader.
In 2012, Kozuka retired from being a Diana cheerleader.
- Name: Kozuka Marina (小塚真里奈)
- Nickname: Marina (マリーナ)
- Birthdate: March 16, 1993
- Birthplace: Kanagawa, Japan
- Height: 165cm
- Zodiac: Pisces
- NICE GIRL Project! groups:
- She is a fan of the baseball player, Yoshimura Yuki.