- Birth Name: Takeuchi Nanami (竹内ななみ)
- Nickname: Naachan (なーやん)
- Birthdate: February 24, 2001
- Birthplace: Osaka, Japan
- Blood Type: A
- Height: 154cm
- Hobbies: Geek life, collecting collectibles, looking at interiors
- Specialties: Drama
- Bands / Groups:
- She had her official debut as a ninth generation Kenkyuusei member on December 31, 2018 at the SKE48 theater.
- Her favorite colors are blue and light blue.
- Her future dream is to produce fashion brands.
- Her favorite food is cold udon.
- Her favorite words are "ato 1-jikan mo shitara jinsei kawaru kamo ne" (あと１時間もしたら人生変わるかもね).
- Her message is "Don't forget he best and enjoyable life is waiting when you push for it!!!! I will do my best and I will try hard enough to exceed my limit!! Thank you." (なーやんを推したら最高に楽しい人生が待ってる!!!!? 全力出して限界を超えるぐらい頑張るので推しにしてください!! よろしくお願いします。)