|Series:||AKB48 Murder Mystery|
|First Appearance:||File 5|
|Last Appearance:||File 5|
|Number of Episode|
|2 (File 5, Testimony File)|
- "Mayuyu… I was shocked. In that instant, Mayuyu had everyone’s attention. But in the interval that everyone was looking at Mayu, I have the feeling that someone left the room…"
- ―Akimoto Sayaka's Testimonial[src]
Akimoto Sayaka (秋元才加?), nicknamed Sayaka (たかみな?) and Saaya (さぁや?), is the Captain of AKB48's Team K. She is one of the primary characters and also one of the primary suspects in AKB48 Murder Mystery series. She was based on and is portrayed by Akimoto Sayaka.