In the 56th year of the new star calendar, the fifth third-year graduates of the Adventurers Association are facing their graduation examination - a 40-day life in the ice field.
When Tani Lan steps on the connecting plane, what will greet her will be a graduation assessment like a study trip, or the last forty days she will spend with this world.
A passionate youth adventure story, the relevant settings are basically empty.
The two endings will be supplemented later~
Purpose: power generation