Takahashi Mikuni is a member of Hinatazaka46's 3rd Generation.
- Hinatazaka de Aimashou (日向坂で会いましょう) (2019 - )
- Hinatazaka46 desu. Chotto Ii Desu Ka? (日向坂46です。ちょっといいですか？) (2020 - )
- Her audition SHOWROOM number was #55. Her nickname during the auditions was Kokkochan (こっこちゃん).
- Admired members: Saito Asuka, Nagahama Neru, Hirate Yurina, Kageyama Yuka.
- Hobbies: Listening to music, playing games
- Good at sports.
- Played the clarinet in middle school.
- She's determined and hates losing.
- Shares the same last name and the first two Kanji of her first name with actress Takahashi Mikuru (髙橋未来?), who appeared in Majimuri Gakuen as an Arashigaoka Student.
- Tested positive for COVID-19 on April 5, 2022