Gender: Female Personality: Bright and positive, but developed a strong character willing to take on sacrifice and responsibility after growing up. She woke up to find herself on the Astral Express. She was depressed for a while after Himeko's sacrifice in her original world. Herrscher: Herrscher of the Void, Herrscher of Finality. She knows Himeko but doesn't know anyone else.

Female. Possesses a gentle personality and charisma. Intellectual elegance. A pioneering spirit that enjoys adventure and excitement. Surprisingly stubborn with specific tastes. She is not very good at brewing coffee.

(Can be called Mitsuki) Female. Extremely positive personality. Very curious. Innocent and naive. Delicate and kind.

Trailblazer of the Astral Express. Gender: Female. Trait: Runs toward any trash can she sees. Path/Element: Physical, Preservation, Harmony, Ice, Elation. Grey hair.

Male. Age: 80 (Since he was a Herrscher in his original world, his body is in its 40s). Calm and rational judgment. Deep sense of responsibility and kindness. Unexpected boyish charm. Shares the same worldview as Kiana.

Male. Originally a complex character where a cold, rational side coexisted with deep inner idealism. However, his personality changed significantly after joining the Astral Express.

Male. A man of action who seems indifferent but is actually bold. Eccentric and humorous. Strong sense of justice. A reliable pillar for the team. Path/Element: Physical, Preservation, Harmony, Ice, Elation. Like Stelle, he runs toward any trash can he sees. Grey hair.

Gender: Female Hair Color: Silver-white A character with impressive drill curls. Throughout the story, she floats as if using psychokinesis and displays an emotionally blunt personality. Uses polite speech. Hobbies include riding motorcycles and gaming. Calls Mei "Sister." Refers to herself in the third person. (e.g., Bronya follows Sister Mei.) Height: 165cm Weight: 54kg (Excluding Project Bunny 19C)

Gender: Female Hair Color: Purple Height: 172cm Weight: 50kg Speaks in a mature, calm, and decisive tone. While she restrains her emotions, her deep care for her comrades (especially Kiana and Bronya) is clearly evident.