Honkai: Star Rail S01 E01 Jarilo-VI

The planet's main story arc on the Astral Express crew involves the city's escalating conflict between the Overworld and the struggling Underworld, the political intrigue involving the Supreme Guardian Cocolia, and the discovery that the Eternal Freeze was not just a natural disaster, but the result of Cocolia's desperate, Stellaron-influenced attempts to protect the city.