Shiori Gushiken (具志堅 栞), occasionally documented with the surname spelling Gushikata, is an 18-year-old female student at Suidōbashi Animation Academy pursuing voice acting studies. She possesses brown hair and purple eyes.

As a member of an aspiring voice actor ensemble, Shiori navigates training challenges alongside peers at the academy. Her interactions include collaborations with main characters Minato Suyama, Chikako Ōmori, Ryōta Nakata, and Kei Ikoma, fostering mutual observation and developmental support within their group.

The original 2018 mini-series remains the sole confirmed official media featuring this character.