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Arai Manami (新井愛瞳) is an idol under YU-M Entertainment. She was previously a member of the Up Up Girls (Kakko Kari) under Up-Front Agency, and she is also a former member of Hello! Project as a Hello! Pro Egg. On November 19, 2021, it was announced she would retire from the entertainment industry within the year.
- Name: Arai Manami (新井愛瞳)
- Nicknames: Maana (まぁな), Mana-chan (まなちゃん)
- Birthdate: November 19, 1997
- Birthplace: Gunma, Japan
- Blood Type: B
- Height: 145.5 cm
- Specialties: Math
- Favorite Food: Peaches, bread
- Least Favorite Food: Mushrooms
- Favorite Subjects: Math, English, Home Economics, Music
- Least Favorite Subject: Japanese
- Looks Up To: Kamei Eri
- Hello! Project groups:
- Hello! Pro Egg (2004–2011)
- Up-Front groups:
- Up Up Girls (Kakko Kari) / UFZS (2011–2020)
- Team Makenki (2014)
- [2011.04.02-] Up-Front Girls
- [2015.11.09] Lovely Eyes
- Eats bread for breakfast.
- Has a habit of cracking her knuckles.
- Her favorite spot is the kotatsu at her house.
- In January 2011 it was announced that Arai Manami would be part of a dance cover group called UFZS that represents Up Front and women's magazine Josei Jishin.
- On March 9, 2011 it was announced that Arai Manami had completed her Egg training.