Sumiya Serika (住谷千里香) is a Japanese pop singer and a model. She is a former fourth generation member of AKIHABARA Backstage pass.
- Name: Sumiya Serika (住谷千里香)
- Birthdate: October 16, 1995
- Birthplace: Saitama Prefecture, Japan
- Blood Type: B
- Height: 157 cm
- Because she likes idols, her father forced her to auditioned for fourth generation.
- There was apparently plans on her releasing a solo DVD back in October 2012, however it was never published.