Hibi Marina was born on December 17, 2002 in Osaka, Japan.
Prior to joining Hello! Project, she was a junior model for Dream Girls magazine, and had also modeled for JS Girl magazine.
In 2015, Hibi attended dance lessons at the E.d.M (Envoyer de MaSaKo) Studio in Osaka.
On March 6, it was announced that Hibi had joined Hello Pro Kenshuusei alongside Shimakura Rika, Eguchi Saya, Doi Rena, Okamura Minami, Matsunaga Riai, Yamada Ichigo, and Nakayama Natsume. She was introduced at the Hello! Project Kenshuusei Happyoukai 2017 3gatsu ~Marching!~ on March 11.
On July 3, Hibi participated in a fanclub event at Midland Square Cinema 2 titled Hello Pro Kenshuusei Special Event in Nagoya ~Hajimemashite! 4~ alongside Doi Rena, Okamura Minami and Matsunaga Riai.
On November 1, the list of members participating in the upcoming Hello! Project Kenshuusei Happyoukai 2018 12gatsu ~Mikan~ was posted on Hello! Project's website, revealing Hibi had finished her training alongside Noguchi Kurumi and Doi Rena.
Hibi's mother is named Maki. They took dance lessons together at E.d.M Studio.
- Hibiko (ひびこ): Used by Yamazaki Yuhane, and Hibi says its her favorite nickname.
- Name: Hibi Marina (日比麻里那)
- Birthdate: December 17, 2002
- Birthplace: Osaka, Japan
- Blood Type: AB
- Height: 160 cm (5 ft 2.9 in)?
- Western Zodiac: Sagittarius
- Eastern Zodiac: Horse
- Hello! Project Status:
- 2017-03-06: Hello Pro Kenshuusei member
- 2018-11-01: Left
- UP-FRONT PROMOTION Status:
- 2017-03-06: Member
- 2018-11-01: Left
- Hello! Project Groups:
- Hello Pro Kenshuusei (2017-2018)
- [2017-2018] Hello! Project Station
- She had previously met her generation mate Okamura Minami in 2016.
- She attended dance lessons in 2015 at the Envoyer de MaSaKo Studio in Osaka with her mother, Maki.
- She has 0.2 vision and wears contacts.
- Her favorite types of dance are jazz dance and cheerleading.
- She was a cheerleader during her 5th year of elementary school.
- She thinks her shortcoming is being fickle; becoming tired of things.