sora tob sakana were Japanese idol group formed in 2014. They are also known under the name of Osakana (オサカナ), which can be translated to “fish”. This symbol appears on their logo. The unit consisted of 3 members when they split in 2020. History: sora tob sakana were created in July 2014. The 5 original members were Sato Mio, Teraguchi Natsuka, Konishi Yuiko, Kazamarei Maraika and Kanzaki Fuka. Their average age was 13 years old. Their 1st original song Dash!!!! was released in September 2014.