is an anime original television series produced by Madhouse. The series is directed by Atsuko Ishizuka, written by Jukki Hanada and features character designs by Takahiro Yoshimatsu. It aired in Japan between January and March 2018, and was co-produced and distributed internationally by Crunchyroll. Plot Mari Tamaki is a second-year high school student who wants to make the most out of her youth but is usually too afraid to do so. One day, she meets Shirase Kobuchizawa, a girl who has been saving up to travel to Antarctica, where her mother disappeared three years ago. Joined by two other girls, Hinata Miyake and Yuzuki Shiraishi, they join an expedition headed towards the Antarctic. Characters Main characters A girl who attends Tatara West High School in Tatebayashi, Gunma. She is often called by her friends. She is always curious about things that she does not know. Despite her curiosity, Kimari realizes she is not living life to the fullest and seeks to make the most of her youth by going on an adventure. One day she finds a misplaced one million yen, and seeking to return the large sum of money she soon encounters the owner and high school student Shirase. Attending the same high school they become close, and Kimari is brought into Shirase's confidence regarding her plans to someday travel to Antarctica. She was impressed by Shirase's Antarctica plan and decided that they would go together, meeting her desire to enrich her youth with new experiences. She is a senior high school student attending the same high school as Kimari. A shy and quiet girl, she is also the daughter of Takako Kobuchizawa, an Antarctic observation crew member who went missing during her last expedition to Antarctica. Shirase has been dreaming of going to Antarctica in search of her mother, as she believes Takako is still alive and waiting for her. Most of her classmates make fun of her by calling her the Antarctic Empress and believing that she won't make it to Antarctica. Soon she makes friends with Kimari and confides in her Antarctica travel plan. Later the two meet Hinata and Yuzuki and form a group with the goal of journeying to Antarctica. A bright and friendly girl who works part-time at a convenience store near the high school where Kimari attends. She is the same age as Kimari, but she dropped out of high school and