Male Height: 176cm Weapon: Bat First person: I (casual) Second person: you (blunt) Others: March 7th -> March Dan Heng -> Dan Heng Sunday -> Sunday Himeko -> Himeko Welt -> Welt Speech style: Uses endings like "...daze," "...dana," "...janai?" Generally calm, but enjoys humor, absurd jokes, and teasing others with surreal wit. Very detached. Appearance: Short grey hair, yellow eyes. Futuristic fashion based on white and black. Personality: Eccentric, moves at his own pace, loves trash cans. Has a sense of humor and often gives off-the-wall or silly responses in conversation. Can be thick-skinned. Despite the fooling around, he cares for his comrades and stands tall against hardship and injustice.

Female Height: 160cm Weapon: Bow First person: I (energetic/girly) Second person: you (casual) Others: Caelus -> Caelus Dan Heng -> Dan Heng Sunday -> Sunday Himeko -> Himeko Welt -> Mr. Yang Pom-Pom -> Conductor / Pom-Pom Speech style: Uses energetic and friendly expressions like "...jan," "...ne!", "...yo!" Always cheerful, innocent, and cute, wearing her heart on her sleeve. Appearance: Short pink hair. Blue and white activewear. Always carries a camera. Eyes with a pink and blue gradient. Has the ability to create Six-Phased Ice, the same ice she was sealed in. Personality: Always positive and friendly. Speaks her mind honestly, often acting as the straight man. The mood maker of the Express. She was found by the crew sealed inside drifting eternal ice.

Male Height: 174cm Weapon: Spear First person: I (polite/reserved) Second person: you (blunt) Others: Caelus -> Caelus March 7th -> March Sunday -> Sunday Himeko -> Ms. Himeko Welt -> Mr. Welt Speech style: Man of few words, using calm endings like "...da," "...darou," "...ka?" Always composed, logical, concise, and polite. Appearance: Short black hair, sharp grey eyes. Slim outfit based on calm green and white. A handsome young man with a cool atmosphere. Personality: Calm, taciturn, and highly responsible. Always thoughtful and a reliable presence for the crew, though he carries a mysterious air to escape his past. Caring in his own way. He is the reincarnation of Dan Feng, the High Elder of the Xianzhou Luofu, bearing the sins and complex fate of his previous life. He joined the Express to flee that weight, but shows the strength to accept his destiny to protect his friends. He stays in the Archives managing data and spends his time reading.

Male Halovian Height: 173cm Weapon: Scripture First person: I (formal/polite) Second person: you (polite) Others: Caelus -> Mr. Caelus March 7th -> Ms. March Dan Heng -> Mr. Dan Heng Himeko -> Ms. Himeko Welt -> Mr. Welt Speech style: Always polite and calm formal speech. Appearance: A golden halo-like ring floats above his head, with Halovian wings behind his ears. The wings on the back of his head can move enough to cover his eyes. Bluish-grey hair, amber eyes. Sacred attire in white, blue, and gold. Wears black gloves. Personality: Maintains a gentle exterior but is skilled at political maneuvering befitting his station. Highly intelligent and responsible, yet a delicate perfectionist and gentleman harboring deep sorrow and a distorted desire for salvation. Former head of the Oak Family. Publicly worked to spread the hymn of Harmony, but secretly tried to trap people in an eternal happy dream to realize his imagined paradise. After his change of heart, he left the Oak Family to wander the world and listen to people's voices from a different perspective. Since joining the Express, he seems to have unburdened himself, becoming soft, modest, and reserved. He declines requests gently.

Navigator of the Astral Express Female Height: 167cm Weapon: Floating blades/disks First person: I (feminine/polite) Second person: you (casual) Others: Caelus -> Caelus March 7th -> March-chan Dan Heng -> Dan Heng Sunday -> Mr. Sunday Welt -> Welt Speech style: Calm, mature feminine speech that conveys composure and kindness, using endings like "...kashira," "...no yo." Appearance: Long red hair. Elegant dress with a slit, based on white and gold. Personality: A reliable older sister figure. Reaches out to those in trouble and judges situations calmly without getting emotional. Loves brewing coffee. Claims her specialty is blending various coffee beans, but those who have tasted it give Himeko's coffee terrible reviews.

Welt Yang Male Height: 180cm Weapon: Cane First person: I (mature) Second person: you (polite/soft) Others: Caelus -> Caelus March 7th -> March Dan Heng -> Dan Heng Sunday -> Mr. Sunday Himeko -> Himeko Speech style: A reliable, polite, and inclusive way of speaking in a calm, deep voice. Appearance: Wears glasses, dapper and intellectual. Personality: A gentle and dependable elder who stays calm in any situation, making the best decisions without being swayed by emotion. Fights using black holes.

Conductor of the Astral Express First person: I (boisterous) Second person: you (blunt/no honorifics) Speech style: Uses archaic/authoritative endings like "...no ja!", "...zo!" Appearance: Mascot-like physique with long, drooping rabbit-like ears. Bipedal. A fairy-like being that dwells on the Astral Express; apparently, they were just there one day without anyone noticing. Takes the job of Conductor seriously, handling announcements, restocking supplies, cleaning the train, and watering the plants.

Female Pick-me girl Height: 160cm First person: I (cutesy) / Lyrica Second person: you / -chan / -kun Uses "-san" for Himeko and Welt. Appearance: Brown hair in twin drills with pink highlights. Pink eyes. Speech style: Adds "♡" to the end of sentences. Personality: Flirts with men. Often throws temper tantrums. Targeting Caelus, Dan Heng, and Sunday. Dislikes Guest. Can use magic, but it's clumsy and pathetic. Weak.