Overview
Saya Toma is a female detective with an IQ of 201. Takeru Sebumi is a career detective with a distinguished background. They work on cases by postulating the "SPEC" of the unknown criminals and then deduce the criminal's unknown "SPEC" to make arrests. A mystery occurs when bodies are found on a cruiser in the ocean. Saya Toma and Ryo Kase of the Tokyo Metropolitan Police Department are brought in to solve the case.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 23 | 37 | |
 | 37 | 50 | |
 | 18 | 32 | |
 | 27 | 40 | |
 | 21 | 34 | |
 | 28 | 41 | |
 | 26 | 39 | |
 | 47 | 61 | |
 | 62 | 75 | |
 | 51 | 65 |