Akai Ko-en (赤い公園) is a Japanese all-girl rock band formed in 2010. They made their major debut under EMI Music Japan in 2012. Members: Chiaki Satou (佐藤千明) - vocals, keyboards Maisa Tsuno (津野米咲) - guitar Hikari Fujimoto (藤本ひかり) - bass Nao Utagawa (歌川菜穂) - drums akaiko-en.com