Luna grew up with her father on Mars after her mother died two years prior. Her father died saving her in an accident when she was eight. Winning a Howard Foundation scholarship, she relocated to Colony Loca-A2, accompanied by her pet robot cat, Chako. Chako, originally a discarded robot rescued and rebuilt by Luna's father as a gift, was initially disliked by Luna. She gradually bonded with the robot after recognizing their shared experiences of abandonment. Luna carries her father's backpack as a tangible reminder of him and the lingering weight of his loss. Though she typically maintains a cheerful demeanor, memories of her father's sacrifice trigger profound sadness.

Luna abhors seeing others in distress and proactively intervenes to help, driven by innate empathy. This quality, combined with her optimism and ability to inspire, established her as a natural leader when a group of classmates became stranded on an uninhabited planet after a field trip accident. Her prior experience piloting an escape shuttle during the crash contributed to the group electing her over other candidates. While her plans are consistently well-intentioned, unforeseen complications sometimes yield unintended consequences.

A latent psychic ability manifested as telepathic communication, allowing Luna to establish a unique telepathic link with Adam, an alien boy discovered in cryogenic sleep. This connection stems from their shared empathic capabilities, enabling Luna to perceive others' memories and emotions, particularly in places like Fairy Lake. Her powers facilitate deeper understanding and care for her companions.

Throughout the struggle for survival, Luna prioritizes unity and fosters individual growth. She supports Sharla's transition from timidity to courage, encourages Bell to overcome his lack of confidence and stand up to Howard's bullying, and helps Kaoru process survivor's guilt related to a past rival's death. Her leadership is instrumental in navigating threats from dangerous creatures, resource scarcity, internal conflicts, and encounters with escaped prisoners. Her unwavering belief in cooperation embodies collective resilience.

Luna experiences personal growth by confronting her traumatic past and embracing leadership. Key moments include rejecting Bell's romantic proposal to focus on survival, resolving to protect Adam, and ultimately guiding the group's efforts to return home. Her development culminates in a commitment to terraforming Earth, reflecting a broader vision shaped by her experiences. This future path underscores her dedication to nurturing life and fostering hope.