At the End of the First Semester

All sorts of things have happened in the currently ending school term. Arima tells Yukino that he won't be able to see her for a while because he'll be taking part in the upcoming Kendo tournament. Without Arima, Yukino finds herself spending Summer Vacation with female friends for the first time in her life. She puts a bold face on it, but Tsubasa acts very strangely...