Interlude

Interlude (インタールード, Intārūdo) is an anime and visual novel by Longshot. Interlude was originally released for the Sega Dreamcast on March 13, 2003, a rare occurrence for visual novels, as most are released for the PC first. PlayStation 2 and PC ports were later also released. The PS2 version received a 'The Best' budget price re-release on March 1, 2007.

Plot
The unnamed main character has been having strange dreams, seeing strange things, and meeting strange people. He investigates these events and finds a strange girl named Aya. With her help, he discovers that his world may not in fact be real and many of the people he thinks he knows may not exist anymore.