This is Chapter 2 in Volume 1 of A Place Further Than the Universe
In Kure to tour the Antarctic expedition icebreaker, Shirase and Kimari discuss the ship's voyage to Antarctica.
Kimari needs to get a job to help pay for the trip. She expresses some concern about whether they will get to go, which upsets Shirase. They have an argument in the street in front of a convenience store. They make up, and then notice that the store is hiring. Kimari gets a job there. The store's other clerk, Hinata, wants to join them in the quest for Antarctica. Shirase agrees, and explains her plan.
This chapter is based on Episode 2 of the anime.