Luna, a small black cat with a crescent moon mark on her forehead, serves as the narrator for the anime short Sailor Moon SuperS Plus - Ami's First Love. Her background originates from the ancient Moon Kingdom, where she was a loyal servant to Princess Serenity and an advisor to Queen Serenity. After the kingdom fell, she was put into a long sleep and sent to Earth to awaken and guide the reincarnated Sailor Guardians. In this story, Luna takes on the role of an off-screen narrator, setting the scene and providing commentary as the events unfold. Her personality is characterized by wisdom, patience, and a gentle but firm demeanor, often showing concern for the Sailor Guardians' well-being and academic pressures. Her primary motivation is to support Ami Mizuno, the Sailor Mercury, as she navigates the intense rivalry with the mysterious genius Mercurius on national exams. Luna's close relationship with Ami is evident; she understands Ami's studious nature and offers encouraging words, while also sharing lighter moments with the other girls. As a narrator, she does not directly participate in the action but frames the story with her insights, helping the audience understand the emotional stakes and the lighter comedy of the situation. Her notable abilities include the power of speech, the capacity to materialize magical items for the Guardians, and a deep knowledge of the lore and past lives of her charges. Throughout the short, Luna's narration adds a warm, guiding presence, reflecting her enduring role as a mentor and caretaker.