Kirika is the maintenance engineer tasked with keeping Yamazaki Takurou's cyborg body functional. Her technical expertise sustains the operational integrity of his artificial systems, essential for his role as a post-mortem corporate consultant. She directly supports Yamazaki's assignments, including his mission to develop a new telephone product for Itsutsuba Electrics. Information regarding Kirika's background, personal history, or character development beyond this professional role remains undocumented. Similarly, her involvement in other seasons, films, OVAs, or franchise spin-offs is not detailed.