Ep. 7: The girls tour their icebreaker ship in Fremantle and investigate Shirase's mother's former room.
Aired on February 13, 2018

Upon reaching Fremantle, the group receives a guided tour of their icebreaker vessel. During the visit, Gin notes that their assigned quarters were previously occupied by Shirase's mother. Intrigued by this connection, the girls decide to inspect the room to determine if her mother left any items behind. This brief excursion allows the characters to explore their new living space while reflecting on the history associated with the ship's previous occupants.
Episodes
- Ep. 3 · High school girls seek Antarctica access after actress Shiraishi Yuzuki joins their expedition
- Ep. 4 · Four Caterpillars
- Ep. 5 · Kimari returns a borrowed game to Megumi who does not recall lending it
- Ep. 6 · The girls stop in Singapore en route to Fremantle while Yuzuki notices Hinata acting strangely
- Ep. 7 · The girls tour their icebreaker ship in Fremantle and investigate Shirase's mother's former room.
- Ep. 8 · The ship departs Fremantle for Antarctica while the girls undergo training and face impending disaster
- Ep. 9 · Toshio confesses his love for Gin and seeks advice from Shirase about her mother's friend
- Ep. 10 · Girls arrive at Shouwa Station in Antarctica and Yuzuki makes a decision
- Ep. 11 · The girls test a video link to Japan while Hinata acts distracted by visiting acquaintances.