At Towano Chikai's signing, a beautiful woman proclaims to be a huge, huge, huge fan of his work. To Yuu's surprise, that woman is the popular voice actress Minazuki Sakura! She's also gotten so absorbed into the novels that she starts calling Yuu "Onii-chan"?!
I'm not letting anyone 
else have you, Onii-chan.
Außer mir kriegt dich niemand, Onii-chan!
¡No te entregaré a nadie, hermano!
No serás de nadie, hermano.
Não vou te entregar pra
ninguém, Onii-chan!
Я тебя никому не отдам!