Nasha, twin sister of Misha, serves alongside him as a direct agent and representative of the Machine Emperor within the Machine Empire's command structure. She operates within the empire's hierarchy, which includes commanders like Aramis and various Demon Generals, executing the Machine Emperor's interests and directives. Nasha appears in the sequel series "B't X Neo," continuing the narrative of the Machine Empire's activities. She is consistently depicted in relation to her twin sibling Misha, fulfilling their duties under the Machine Emperor's authority.