is now preparing to take a college entrance examination. Her dream is to ace the exams. She decided to join the expedition since she has two years left before taking her entrance examination, and she wanted to do something special. Prior to joining the group she watched Kimari and Shirase bond over their travel plans and became envious of both of them. However over time she comes to enjoy their company and honesty, something she found lacking in previous friend groups. She is a first-year high school student from Hokkaido, who has a calm and cool personality compared to the others. She is an actress who started in entertainment and commercials at the age of four and, due to her long business travels, has never had friends since she was a young child. She initially refused to go to Antarctica to do online streams about the trip, but later changed her mind after being convinced by Kimari, Shirase and Hinata. She is initially jealous of the other three girls friendship, but she later realizes that all of them are her best friends even though they had only known each other for less than a month. Civilian Antarctic observation team Commander of the civilian Antarctic expedition "Antarctica Challenge". She was also a member of the previous civilian expedition. A woman who serves as vice commander of "Antarctica Challenge" under Gin. She was also a member of the previous civilian expedition. So-called Antarctic chef who serves as the head cook of the observation team. She was also a member of the previous civilian expedition. The captain of the observation ship, the Penguin Manju Go. Assumed command of vessel at Gin's request. Previously captained an Antarctic observation team while a member of the SDF. Communications officer of the observation team. Station architect of the observation team. Geologist member of the observation team. Astronomer member of the observation team. Microbiologist member of the observation team. Other characters Kimari's childhood friend and best friend from kindergarten. She became envious of Kimari after she decided to go to Antarctica. She tries to break off their friendship but Kimari refused this and hugged her to show she still values her. They reconcile by the end of the series and Megumi goes off to the Arctic after being inspired by her friend. Kimari's sister who also serves as a school committee member at school. She is worried but