第4話: 椿はテニスペアに影響を与えるデザートリアンと戦いながら、エリカに迷惑をかけたくないと思い悩む

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Tsubomi begins to fear that she is being a burden towards Erika in battle, causing her to worry that Erika will find someone else to replace her. However, she realizes that she is just as invaluable a partner for Erika as Erika is for her, and the two are able to combine their powers to defeat the Desertrian of a girl who is experiencing the same dilemma with her tennis partner. (Source: Wikipedia)