Amazon Carnais, a cadet from Shushu, Terra, serves among the space cadets undergoing final examinations aboard the derelict *Esperanza*. His personality blends a short temper with approachable charm, balancing brash impulsivity and a laid-back aura. Bold interactions define his relationships, exemplified by a heated moment where he hurls a pie at Fourth’s face—an impulsive act observers view as cathartic.

Assigned to shared quarters with Tada and Frol, Amazon uncovers Frol’s genderless physiology, rooted in their homeworld’s cultural norms. This revelation sparks a pivotal discussion on interspecies gender expectations, highlighting his role in exploring themes of identity and cultural diversity within the crew’s survival challenges.

While his pre-Academy history and motivations remain unexplored, Amazon’s interactions drive group dynamics, oscillating between camaraderie and suspicion as cadets navigate the mission. No extended media beyond the primary narrative explores his appearance or development in spin-offs or OVAs.