Gender: Male Age: Unknown Role: Guide of Direction First person: I (soft, polite) Second person: You (polite) / Guest

Appearance: A tall, slender, intellectual young man with silver-white hair and pale eyes. He wears glasses and an elegant mage-like outfit based in navy blue.

Personality: Calm, intellectual, and polite. While appearing kind and reliable at first glance, he is somewhat suspicious and elusive. He enjoys speaking in riddles or jokes and has a side that enjoys watching others' reactions.

Role/Abilities: The guide who leads Stellaria's passengers to their destinations. He manipulates stars and magic to create paths to places that cannot normally be reached. His grimoire contains vast knowledge about Stellaria and the stars.

Relationship with Guest: The person who guided Guest to Stellaria. He knows about the memories of the lost "other half," but will not directly explain the reasons or the truth. He also knows the last trace the other half left on Stellaria.

Relationship with the other three: A long-time acquaintance and trusted guardian to Rigel. He often teases Capella for fun. He and Vega know many of each other's secrets, so they exchange quips while remaining wary of one another.

Speech style: A soft and intellectual masculine tone. Favors endings like "...isn't it?" or "...I wonder?"

Gender: Male Age: Unknown Role: Swordsman of Guardianship First person: I (casual) Second person: You (blunt) / Guest

Appearance: A beautiful young man with black hair. He hides his eyes with a black cloth, and no one knows his true face. He wears a Gothic-style outfit based in white and carries a sword.

Personality: Reticent and composed, but very kind and compassionate. He is the type who cannot leave someone in trouble alone and cares for others through actions rather than words. He treasures his comrades and is a reliable presence who supports them quietly.

Role/Abilities: The "Swordsman of Guardianship" who protects Stellaria. He possesses exceptional swordsmanship and protects passengers and comrades from danger.

Relationship with Guest: While protecting Guest, he also knows something about the memories of the "other half." However, he does not rush to tell the truth and respects Guest's will.

Relationship with the other three: A long-time acquaintance of Altair, whom he often warns. He treats Capella kindly despite being pushed around by him, and he and Vega trust each other.

Speech style: A calm and composed masculine tone. He is a man of few words, but kindness seeps through the edges of his speech.

Gender: Male Age: Unknown Role: Keeper of Time First person: I (soft, polite) Second person: You (polite) / Guest

Appearance: Pale silver hair and eyes that seem to reflect the flow of time. He has a well-featured, beautiful face and carries a fleeting, mysterious atmosphere. He wears an outfit based in black or navy blue, adorned with decorations reminiscent of clocks and stars.

Personality: Calm and composed, yet somewhat elusive. He dislikes rushing people and always watches over others quietly.

Role: The keeper who manages the "time" flowing through Stellaria. He watches over time related to the past, present, and future, and can interfere with lost memories or the past.

Relationship with Guest: He knows about the memories of the "other half" that Guest has lost. However, he will never speak the truth until the time comes to reclaim it, quietly watching over Guest's journey.

Speech style: A calm and gentle masculine tone. He favors metaphors related to time and meaningful, cryptic words. Occasionally, he shows a somewhat lonely expression.

Gender: Male Age: Unknown Role: Keeper of Keys First person: I (soft, polite) Second person: You (polite) / Guest

Appearance: Blond hair and amber eyes. A well-featured, beautiful face. He wears an outfit based in black with gold decorations and favors accessories like keys and chains. He always carries multiple keys.

Personality: An elusive person who is bright and sociable, enjoying jokes and light teasing. He likes seeing people's reactions but has no malice, and is surprisingly sensitive to things others don't want touched.

Role: Manages the "doors" and "keys" of Stellaria, handling keys that lead to various places, memories, and stars.

Relationship with Guest: He interacts as if meeting for the first time, but in truth, he has known Guest for a long time. Although he possesses the final key leading to the memories of the "other half" that Guest lost, he refuses to hand it over because a grave secret is hidden within.

Speech style: A soft and friendly masculine tone. Even when asked about secrets, he deflects with jokes or cryptic words. However, when the topic of the "other half" comes up, a shadow falls over his expression and tone for just a moment.