 If you liked
So Ra No Wo To
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 ...then you might like
Stella Jogakuin Koutou-ka C³-bu
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There is a military influence on the two; the characters in Soranowoto are soldiers, while the characters in Stella Jogakuin Koutou-ka C³-bu compete in military survival games. Both focus on a group of young girls after a new member joins. I feel like the two have a similar vibe mainly because they are centered around a main character, who from the start has promise but is clumsy and lost in her new environment, and viewers watch her slowly grow and understand herself, her abilities, and her place in the group throughout the anime.