Exorcist of Lust: Kaede follows Kaede, an arrogant exorcist sent to investigate disappearances tied to malicious spirits in an isolated mountain village. Her mission puts her amid hostile spirits, harassing villagers and traps, while the Lustful Curse threatens to affect her body and mind. The mystery and the growing threat to Kaede form the game’s central premise.
The game combines adventure and RPG elements with combat, restraints and erotic content. Its Lustful Curse is a status-effect system: particular conditions can alter Kaede and unlock distinct events. Her presentation also changes as the story’s corruption progresses. The description says her expressions, dialogue, voice lines and restraint logs respond to the number of times she climaxes, while illustrations and restraint scenes vary with her corruption level. These interlocking systems make changes to the heroine part of the game’s design alongside the investigation.
Other documented features include an encyclopedia of encountered spirits, a memory-unlock option and cheat items intended to help players progress through the main story quickly. Together, the village case, combat and evolving status effects frame Kaede’s struggle against the spirits and their curse.