|Takahagi Chinatsu promoting Be lonely together|
|Born||July 4, 1997|
|Agency||UP-FRONT CREATE (2017-present)|
YU-M Entertainment (2017-present)
|Label||T-Palette Records (2017-present)|
|Associated Acts||Icle Girls, Up Up Girls (2)|
|Joined||February 25, 2017|
|Debut Single||UPPER DISCO / FOREVER YOUNG|
|Time in Group||2 Years, 7 Months, 18 Days|
Takahagi Chinatsu was born on July 4, 1997 in Fukushima, Japan.
Takahagi became a member of the local idol group Icle Girls in 2013. She graduated from the group in early 2016.
On November 26, at Up Up Girls (2)'s first solo live, it was announced by Mori Saki that Takahagi was the leader of the group.
- Name: Takahagi Chinatsu (髙萩千夏)
- Nickname: Chinacchan (ちなっちゃん)
- Birthdate: July 4, 1997
- Birthplace: Fukushima, Japan
- Height: 156cm
- Western Zodiac: Cancer
- Eastern Zodiac: Ox
- Special Skill: Choreographing, cooking, and eating well
- Audition Song: Appare
- UP-FRONT GROUP Status:
- 2017-02-25: Joined UP-FRONT CREATE (in partnership with YU-M Entertainment)
- UP-FRONT CREATE Groups:
- Up Up Girls (2) (2017-present)
Discography Featured InEdit
- Up Up Girls (2)
-  Harukanaru Toki no Naka de 6 Gaiden ~Tasogare no Kamen~ (daily guest role)
- She did the choreography for the Up Up Girls (2) song 2gakki Summer!!, first performed live in 2017.
- She's a fan of the K-pop girl group Twice.
- Her audition number was #58.
Oldest of Up Up Girls (2)
Leader of Up Up Girls (2)