Risa Tachibana's debut in 2013 was a major event in Japanese pop culture due to her previous status as a "research student" (trainee) for AKB48's 9th generation. Because of this background, her releases, starting with , were among the top-selling titles in the "Idol" sub-category of the industry at that time.
(also known as Eri Takamatsu), a former member of the idol group AKB48 The specific code identifies a release from the studio Soft On Demand (SOD) . According to details on Star-409 Risa Tachibana Full -UPD- HD 108033
