|Birthdate||November 4, 1988|
|Hometown||Sapporo, Hokkaido, Japan|
|Current Age||34 Years Old|
|Social Networks||Official Website / Ameblo / Cocolog / Facebook / Instagram / Twitter|
|Idol Career Info|
|Former Team||1st Generation|
|Debuted||August 2009 / 1st Generation|
Hatakeyama Chisaki was a member of SDN48's 1st Generation.
- She got married in 2017.
- On November 7, 2018, she had her first daughter.
- After graduation, she was a soloist.
- With the birth of her daughter, she stopped releasing works and as of November 2019, is no longer signed to a company.
- SDN48 1st Generation → Graduation
- Joined SDN48 as a 1st Generation member on August, 2009
- Graduated on March 31, 2012
- Kodoku na Runner (GAGAGA)
- Eros no Trigger (GAGAGA)
- Tengoku no Door wa Sankaime no Bell de Aku (Ai, Chuseyo)
- Onedari Champagne (MIN.MIN.MIN)
- Kamujatan Bojou (Kudokinagara Azabu Juuban duet with Mino Monta) (Center)
- Kurikuri (Makeoshimi Congratulation)
- Owaranai Encore (Makeoshimi Congratulation)
- Idol Collections (2011)
- SDN1 (Yuuwaku no Garter)
- Saturday Night Party
- Jajauma Lady
- SDN48+10! (2010)