Kaitazhe

Stelle:
The playable protagonist of the game Honkai: Star Rail.

A girl who boarded the Astral Express. They chose to travel with the Astral Express to eliminate the dangers posed by the Stellaron.

Caelus:
The playable protagonist of the game Honkai: Star Rail.

A boy who boarded the Astral Express. They chose to travel with the Astral Express to eliminate the dangers posed by the Stellaron.