Hibiki’s two young seiyuu, Tono Hikaru and Tsumugi Risa, engage in a game of “Hagoita”, a traditional Japanese game similar to badminton.
“Yamato Nadeshiko” is a Japanese saying used to describe a woman who displays traditional Japanese virtues.
Please support the original at https://www.youtube.com/watch?v=J_kuJtuY7q8&t=160s
For some reason, exporting created a minor lag in the video, which is incredibly obvious due to the text/subtitles no longer appearing in time. Please forgive my mistake.