Well, it hit... something. Yuya didn't expect her to use Frost as a shield with him glued to the book-- he underestimated the flexibility of her vines, though he probably shouldn't have.

Thes not a lot of time to contemplate that before Gongenzaka holds his arm around Yuya, and being four times his size has no problem hauling him away. Yuya yelps and squirms regardless, pointing emphatically.

"Wait, Gongenzaka, the book!" As he completely hyper focuses on the detail he thinks is most important at the expense of the whole picture. Like that he just hit Nightshade with a novel.