Akagumi 4 - Akai Nikkichou.mpgあか組4 (Romaji: Akagumi 4 English: Red Group 4) was one of the three Hello! Project shuffle units formed in 2000, along with Kiiro 5 and Aoiro 7. They released the single 赤い日記帳 (Romaji: Akai Nikkichou; English: Red Diary) , and it sold the highest number of copies.