Date A Live - Volume SS - Chapter 2.5

Case 5

"Question. Kaguya, regarding today's arrangement——" 
"......!" 
When Yuzuru opened the door to the room, for some reason Kaguya hastily used her body to cover the entire table. It was as though she was trying to hide something that was placed there. 
"Ku-kuku......did you need something? I'm very busy today, thee should come back another day later." 
Sweat rolled down Kaguya's cheek as she spoke. Yuzuru kept her eyes peeled as she stared at Kaguya, walking to her table without paying heed to her words, taking up one of the books that Kaguya was trying to hide. 
"......! Ah......!" 
"Recognition. Hm......The Naming Dictionary for Altenate Worlds, Thirteen Language editions......huh. I've wondered why did the names for your moves increase compared to the past, so it was due to this book I see." 
"Ku, kuku......How come I can't understand what thee is talking about. Thine's finishing moves were instantly constructed the moment I was born. I don't need something like a naming——" 
"Discovery. There's an underline in the German section. Looks like you have a liking for German." 

"Ku......" 
Kaguya immediately showed a pained expression, grinding her teeth in frustration. 
"That saying, is it really alright for you to say that, Yuzuru?" 
Saying that, Kaguya took out a single book. 
"Shock. That is——" 
"That's right! This is the ecchi book that had a naked woman printed on its cover that thee had hidden under your bed! Kuku......If people were to find out that Yuzuru reads such books, what would that lead to hm......eh, what is this, you have to do that......? Waaah......" 
Kaguya who had flipped the book suddenly blushed.
 "Exchange. ——Kaguya."
 "............Y-yeah."
 Kaguya and Yuzuru both handed their books over slowly, exchanging the ones that they were holding for the other.