"You, you're the one that killed her... REI!!!"
"Hehe, Pinkie, if you get angry like that, you'll look old~
"Still, you're the one who had driven her to the desert in the first place. You should've known shame, Hoshino!!! "
>>
[Rei, what's the reason you do this? Why... Do you hurt your own friend?]
"Hmm, Sensei, do you want the long explanation, or the simple and to the point one?"
"It's not really for materialistic stuff or for the greater good. It's just...
"FUN."
[...What?]