Ren

Aoba's All-Mate, an all purpose computer that can take various forms. Aoba considers him a dear companion and personally maintains him. They've been together for as long as Aoba can remember. His breed is a Pomeranian but he looks like a spitz puppy. For some unknown reason, he takes human form within Rhyme. Ren is the main partner of the secret, unlockable route which is also the true route of the story.