The white rose Shimako feels a special closeness to the new student Noriko, but for some reason, she hesitates to hand over the rosario. Meanwhile, Noriko, who has been called to the Rose Mansion, gets into a verbal spar with the red rose Sachiko. Ignoring Rei's objections, Yoshino and Toko join the kendo club, causing Yumi to feel like she’s losing her sister Sachiko, leading to an emotional explosion. In this crisis-filled Volume 10, what will happen to the Rose sisters?