Akagumi 4 (あか組4; Red Group 4) was one of the original Hello! Project Shuffle Units in 2000 alongside Kiiro 5 and Aoiro 7. The theme of the group was "Red". The group was led by Nakazawa Yuko.
- From Morning Musume
- From T&C Bomber
- Shinoda Miho (信田美帆)
- From Coconuts Musume
- Danielle (ダニエル)
- [2000.03.08] Akai Nikkichou (赤い日記帳; Red Diary)
- [2000.04.26] Hello Project - Petit Best ~Ki Ao Aka~ (#4 Akai Nikkichou)
- [2008.12.10] Hello Project - Hello! Project Shuffle Unit Mega Best (#3 Akai Nikkichou)
- [2000.05.24] DVD The Ki Ao Aka
- This group was the winner of the 2000 competition to see which of the shuffle units could sell the most copies of their single.
- After Danielle Delaunay graduated from Hello! Project and Shinoda Miho left due to T&C Bomber disbanding, their lines were given to Maeda Yuki and Yoshizawa Hitomi respectively in concert performances.
- Akai Nikkichou was later covered by two of the original Akagumi 4 members - Goto Maki on her album Makking GOLD 1 and Nakazawa Yuko on the album Together! -Tanpopo・Petit・Mini・Yuko-. Nakazawa's version has the English opening speech rewritten into Japanese, while the speech is absent from Goto's version entirely.
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