- Birth Name: Haga Akane (羽賀朱音)
- Nicknames: Akanechin (あかねちん), Hagachan (はがちゃん)
- Date of Birth: March 7, 2002
- Place of Birth: Nagano, Japan
- Blood Type: O
- Height: 163.5cm
- Hobbies: Singing, watching YouTube videos, reading manga
- Specialty: Calligraphy (7th Dan)
- Favorite Food: Mom's cheeseburger, cherry tomato
- Least Favorite Food: Milk, seafood
- Favorite Color: Violet
- Favorite Subject: Art
- Looks Up To: Kudo Haruka, Miyamoto Karin, Fukuda Kanon, Tanaka Reina, Takagi Sayuki, Oda Sakura
- Hello! Project groups:
Haga Akane was first introduced as a member of Hello! Project in the Hello! Pro Kenshuusei through a video on September 22, 2013. Prior to joining she participated in the Morning Musume 11th generation audition, and became a finalist in the first Morning Musume 12th generation audition.
- [2016.08.xx] Greeting ~Haga Akane~ (Greeting~羽賀朱音~)
- [2017.03.07] Haga Akane Mini Photobook "Greeting-Photobook-" (羽賀朱音ミニ写真集「Greeting-Photobook-」)
- [2016.12.12] Morning Musume 12th Generation Official Book (モーニング娘。12期 オフィシャルブック)
- TV Programs
- [2015–] The Girls Live
-  TRIANGLE -Trine Angle- (TRIANGLE -トラインアングル-)
-  Zoku 11-nin Iru! Higashi no Chihei, Nishi no Towa (続・11人いる!東の地平・西の永遠)
-  Pharaoh no Haka (ファラオの墓)
-  Pharaoh no Haka ~Hebi Ou Senferu~ (ファラオの墓 ~蛇王・スネフェル~)
- [2015–2017] Morning Musume '15 12ki Nikki (モーニング娘。'15 12期日記)
- [2017–] Morning Musume '17 no Morning Diary (モーニング娘。'17のモーニングダイアリー)
- [2017–] marukome Morning Misoshiru Nomou yo! (marukome モーニングみそ汁 飲もうよ!)
- Was a finalist in the Morning Musume 12th Generation "Mirai Shoujo" Audition.
- Participated in the Morning Musume 11th Genertation ~Suppin Utahime~ Audition.
- Has said she has confidence that she could change the future for Morning Musume.
- Her favorite Hello! Project songs are "Pyocopyoco Ultra", "Tokimeku Tokimeke", and "Be Alive" by Morning Musume.
- Is the first Morning Musume member from Nagano.
- Favorite sport is golf.
- Her motto is "kiwametai ongaku no sekai" (極めたい音楽の世界; A world of ultimate music).
- Wrote in a magazine that her goal is to give a performance that touches people.
- Thinks her charm point is her long eyelashes.
- Said the thing she wants to do most as part of Morning Musume is participate in a stage play.
- Before debut the song she wanted to dance the most with Morning Musume was "Password is 0".
- Likes the manga "Asari-chan".
- Watches the American television shows "The Thundermans" and "Sesame Street" on E Television.
- Checks the blogs of her seniors in Hello! Project before bed, starting with Kudo Haruka and Takagi Sayuki.
- Fell in love with Morning Musume in 4th grade around the release of "Maji Desu ka Ska!".
- Once won Best in Show at her prefecture's calligraphy exhibition.
- Her favorite genre of music is Hello! Project songs.