Tazuna and Koyori are facing off against Koyori's sister and the doc's old partner.  Koyori's sister has been reduced to an emotionless mute after years of difficult treatments and abuse. Can the two of them bear to hurt someone so close to Koyori? And even if so, can they win against Handshakers who are so much more powerful and determined?
So would you let me take care of your sister?
لذا هلّا سمحتِ لي بالاعتناء بأختكِ؟
Kann ich mich also auch
um deine Schwester kümmern?
Así que, ¿me dejarían encargarme
de la hermana de Koyori-kun?
Así que, ¿me dejaríais encargarme
de la hermana de Koyori-kun?
Alors, laisse-moi m’occuper
du cas de ta sœur.
Per cui,
Então, você me deixaria
 cuidar da sua irmã?