- Name: Sugaya Risako (菅谷梨沙子)
- Nickname(s): Rii
- Hello! Project Status:
- 2002-06-30: Member
- Date of Birth: 1994-04-04
- Age: 19 years, 1 month, 2 weeks, 4 days old
- Place of Birth: Kanagawa, Japan
- Blood type: A
One of the main faces of Berryz Koubou, Risako became the first Hello! Project Kid to get a solo photobook, and she has taken on several acting roles. Risako also had a modelling contract with Pichi Lemon magazine.
Released 2006-10-11. ISBN: 484702964X
Released 2007-07-20. ISBN: 4847040198
Ring3～リンリンリンッ！～ (Ring3 ~Rin Rin Rin!~)
Released 2008-02-06. ISBN: 4048950134
Hello! Project BEST SHOT!!
Released 2011-03-03. ISBN: 4847043553