Yuko Oshima is a Japanese actress and former member of Japanese idol girl group AKB48, of which she was the captain of Team K. She was also a member of the AKB48 subunit Not Yet. In addition to the singles that involved the rock-paper-scissors tournaments, she sang on the title tracks for all of AKB48's singles since "Aitakatta" in October 2006. She placed among the top two of the annual AKB48 general elections from 2009 to 2013. Oshima is currently represented with Ohta Production.

"Heavy Rotation" is Japanese idol group AKB48's 17th single, released on August 18, 2010. The video was directed by photographer and movie producer Mika Ninagawa. The title song of this single, widely known as "Hebirote" , was a huge karaoke hit and led the respective JOYSOUND charts for 43 weeks.