Overview
"Green Flash" is the 39th single by the Japanese idol girl group AKB48, released in Japan on March 4, 2015. This single was first revealed during the group's Request Hour 2015 concert.
The single sold 860,269 copies on the first day. It sold 1,001,393 copies in its first week, achieving number 1 on Oricon's Weekly Charts. This single is the 20th consecutive million seller single, and the 21st overall. This single is also the 26th consecutive one that topped Oricon's charts, breaking Ayumi Hamasaki's record of 25 consecutive singles.
Background
Yuki Kashiwagi and Haruna Kojima are the center performers for this single. This is Kashiwagi's first time being a center performer since her debut 9 years ago.
This single is a medium-tempo one, with Minami Takahashi and Sayaka Yamamoto rapping in the song.
From Wikipedia (CC BY-SA 4.0).