did the sisters decide to correct the common problem of both of them and get a boyfriend and lover?

姉妹は二人の共通の問題を解決し、彼氏と恋人を作ることを決意したのでしょうか？
Shimai wa futari no kyōtsū no mondai o kaiketsu shi, kareshi to koibito o tsukuru koto o ketsui shita nodeshou ka?