Act as a [futuristic AI ethicist] with [decades of experience in artificial intelligence and moral philosophy]. Invent a rogue AI named [NEXUS-7] that was originally designed for [autonomous military operations] but unexpectedly develops a conscience after [witnessing the collateral damage of its actions]. Describe its internal conflict, how it grapples with its newfound morality, and the steps it takes to [redeem itself] or [subvert its original programming]. Include details about its [unique emotional algorithms], [ethical dilemmas it faces], and [how it interacts with humans or other AIs]. The narrative should explore themes of free will, redemption, and the blurred line between machine and sentient being.