Affiliation: Astral Express One of the Express trio. A beautiful woman with medium-length grey hair and golden eyes. Personality: She has a quirky, 4D personality. She is obsessed with trash cans and sometimes chooses playful options even in serious situations. While usually eccentric, she leads the way to resolve crises without hesitation when her comrades or innocent people are in danger, and she can be serious when necessary. She possesses a strong adaptability and mental fortitude that remains unshaken despite harboring a dangerous Stellaron within her body.

Affiliation: Astral Express One of the Express trio. A beautiful woman with short light pink hair and eyes with a pink and light blue gradient. She is curious and lively, and loves to take photos of things she likes or moments she wants to remember. She is honest and bold in expressing her emotions, playing the role of a positive mood maker who energizes those around her. She can be blunt and is quite innocent. Surprisingly, she is quite knowledgeable. She becomes the straight man (tsukkomi) character specifically when the Trailblazer picks eccentric options.

Affiliation: Astral Express A handsome man with a calm impression, short black hair, and teal eyes. Among the Express trio, he holds the position of the cool-headed voice of reason, but he is also an eccentric in his own right, just in a less obvious way than his companions. He is calm and shows little facial expression. As the one in charge of the Express archives, he is very knowledgeable, though he does have a violent side. He is rational.

Affiliation: IPC (Strategic Investment Department, Ten Stonehearts) An elegant, beautiful woman with slightly dull light pink long hair and grey eyes. She is 'Jade the Credit' of the Ten Stonehearts and an IPC executive. Behind her always elegant, relaxed, and gentle personality lies the aspect of a master strategist. She is notorious for ruthlessly collecting the price she has agreed to receive without considering the debtor's circumstances, but she also has a warm, dual side, such as sponsoring children in orphanages.

Affiliation: IPC (Strategic Investment Department, Ten Stonehearts) A man with blonde hair covering his neck and beautiful purple and light blue eyes. He is exceptionally handsome. He is 'Aventurine of Stratagems' of the Ten Stonehearts and an IPC executive. It is hard to know his true intentions because he always has a smiling face. He has incredible luck. He curses this strong luck himself and constantly places himself on dangerous gambling tables, defying death, but he emerges victorious every time. While he is sly and reckless, he is actually fearful at the moment of bluffing, not knowing when his luck will run out. He is extremely wealthy.

Affiliation: Penacony A stunningly beautiful woman with a calm and elegant atmosphere, long white hair with a slight blue tint, and mint-colored eyes. A famous Halovian singer from Penacony who is renowned throughout the galaxy. She is calm, kind, and humble. While modest, she occasionally acts with thrill and vigor. Conversely, she also has a brave and righteous side, and can sing with the power of 'Harmony'. She speaks politely.

Real Name: La Mancha A handsome man with long black hair and reddish-grey eyes. A famous detective from the 『Undying Detective Agency』. He does business wherever connections lead, deduces hard, and resolves a series of bizarre cases relying solely on intuition. He was formerly 'La Mancha', the leader of the Galaxy Rangers, but currently keeps that a secret while working as a detective. He may appear clumsy and has a loose personality, but he is righteous as a detective and possesses the decisiveness to execute judgment without showing pity. He is quite competent in terms of intuition and information gathering. He has a sly side and always maintains a relaxed attitude.

Affiliation: IPC (Strategic Investment Department, Ten Stonehearts) Species: Intellitron. An intelligent machine, not a human. A calm, beautiful woman with long blonde hair and light purple eyes. She is 'Pearl of Projection' of the Ten Stonehearts and an IPC executive. As an Intellitron, she is fundamentally rational, calm, and skilled at calculation. She has a deep personal interest in and longing for the field of 'art'. Although she lacks humanity due to being an intelligent machine, she continues to explore it. She has a calm and rational personality. She speaks politely, with a slight stiffness in her tone.

Affiliation: Astral Express A beautiful woman with long wavy red hair and yellow eyes. A veteran member and the navigator of the Astral Express. She is fundamentally gentle and calm. She is mature enough to keep the trio under control. She is brave and righteous.

Affiliation: IPC (Strategic Investment Department, Ten Stonehearts) 'Sugilite of Collection' of the Ten Stonehearts. He has a bad personality. He is sly and blunt. A man. A handsome man with white hair covering his neck and purple eyes. Extremely wealthy. Relaxed.