Teen Detective – Shroud of Mystery

Teen Detective – Shroud of Mystery summary:

A mysterious letter of invitation, triggering the mystery of birth.
A well-known detective agency, the occurrence of countless mysteries.
Solve cases, look for clues to the mysterious organization.
Calm reasoning, to uncover the truth behind the mystery.
All darkness, conspiracy, under his strict reasoning, will have no place to hide.
All truth will eventually come to light!