TV-Series
Description
Airs Blue is a fifteen-year-old boy from Hyperion, one of the moons of Saturn, who emerges as a central figure of authority and conflict aboard the drifting starship Ryvius. He is the leader of a street gang-like faction known as Team Blue, having honed his skills as a boss in lawless areas long before arriving at the training ship Liebe Delta. His physical appearance is notably mature for his age, with sharp, piercing eyes and a distinctive hairstyle featuring a bandana, which helps him command immediate attention. Growing up resented by his siblings and under the shadow of his father, who serves as a high-ranking official, the Minister of Defence on Saturn, instilled in him a deep-seated hatred for being ordered around and a fiercely independent, combative personality.

On the Ryvius, Blue discards any pretense of civility he might have maintained on the Liebe Delta, seeing the chaotic environment as the perfect opportunity to unleash his natural aggression. He is skilled in martial arts and possesses the only firearm on the ship, a needle-shooting pistol stolen from a saboteur, which gives him a decisive advantage in his rise to power. Blue seeks to feel alive by intentionally placing himself in danger, and he believes that true authority comes from force and the will to use it. This philosophy drives him to lead a mutiny against the initial, more passive leadership, successfully seizing control of the Ryvius's bridge and declaring himself its captain.

Once in command, Blue imposes a strict and controversial points system to manage the dwindling supplies and maintain order. Under this system, the majority of the 487 students must earn points for basic necessities like food, while only his inner circle and the operators of the giant robot Vital Guarder are granted unlimited points, breeding deep resentment among the crew. His regime is characterized by its ruthlessness and his tendency to hoard information, a tactic he himself had previously criticized, demonstrating a hypocritical streak once he attains absolute power. He is not motivated by simple malice but by a complex desire to assert control and survive, though his methods are brutal and his rule becomes a dictatorship.

Blue's key relationships are often fraught with tension and complexity. He develops a particular fascination with a female cadet named Juli Bahana, finding her naive worldview intriguing and entering her in a beauty contest anonymously. His hidden feelings for her become a significant, more vulnerable aspect of his character, even helping to displace his desires for revenge against his family. His interactions with the Aiba brothers are central to the story; he respects Kouji Aiba's reasoning and listens to him, even accepting food from Kouji while in hiding, yet he enjoys violently clashing with Kouji's hot-headed brother, Yuki, whose skills as a Vital Guarder pilot he nonetheless recognizes as superb.

Blue's reign as captain comes to an abrupt end when a damaging conversation is broadcast throughout the ship, exposing his tyrannical nature and leading to a full-scale revolt. As his gang is captured and imprisoned, Blue is forced to flee into the labyrinthine bowels of the Ryvius to hide. It is during this period of exile that he experiences significant development, becoming a fugitive in the very place he once ruled. He places his trust in Kouji, who smuggles him food, and in a moment of introspection, he gives his prized needle gun to Kouji, expressing curiosity about how the other boy will use it. He also learns of Hyperion's destruction and his father's death, to which he responds with a detached, almost nihilistic remark, cementing his status as truly alone in the universe.

Eventually emerging from hiding after the downfall of his successors, Blue's final arc sees him return to the ship. Though he does not reclaim his former position, he completes his development from a power-hungry gang leader to a more contemplative survivor. His narrative concludes with the implication of a final, long-awaited rematch with Yuki Aiba and hint of a deeper, unresolved connection with Juli Bahana, who is seen wearing a ring on her finger. Blue is a formidable combatant, relying on his mastery of a martial arts style and his tactical cunning. His possession of the only firearm on the Ryvius is a notable ability that symbolizes his willingness to break all taboos to achieve his goals.