Detective Conan (2011)

The drama series takes place before Shinichi Kudo is poisoned by the Black Organization. Shinichi, Ran and Kogoro wake up trapped in a 'white room' with no recollection of how they arrived there. A letter reveals an admirer of Shinichi's detective work, placed him there to test his abilities. Each white room contains a panel device, where a keyword connected to the case is entered, grants them further access.