Kei Sasuga (流石 景, Sasuga Kei) is the author of the series Domestic Girlfriend (Domesutikku na Kanojo).
Born on October 6, 1981, Keiko Sasaki (佐々木 恵子, Sasaki Keiko) uses her pen name for all her notable works.
- GE ~Good Ending~ (2009-2013)
- Domestic Girlfriend (2014-2020)
- FIND NEW WAY! (2008)
- Smile Answer (2009)
- GE ~Good Ending~ (2009)
- Medicine (2013)