Yonagahime 3+1 (『夜長姫3+1』), also known as Yonagahime or Yonaga' among fans, is a former singer/idol group in post-war Japan. It consisted of three members, but the group's promoter made up a fourth member, Eri Anzai, who was allegedly killed in a terrorist attack. Eri Anzai did not exist, but her (recorded) voice was An Osada's.
|Yumeno Zawayume||Kumi Tsunemi||Sumika Nakahashi|
|Eri Anzai||Hisako Osada (manager)|
|Song of the Heartless||Correlation|
|Other|| Yonagahime 3+1 = Kumi Tsunemi + Yumeno Zawayume + Sumika Nakahashi|
Toshiji Aramaki • Arata Oyamada • Eitaro Nakahashi