Immediately after deciding not to rely on pretend dating anymore, Kazuya is hit with a triple whammy of reveals: Chizuru not only goes to his college but lives next door to him, and his grandmother is coming to visit and wants to see her.
Is she a runaway? 
Or wait, your long-lost sister?
أهي هاربة؟ أم أختك المفقودة؟
Ist sie von zu Hause weggelaufen?
Oder deine lang verloren geglaubte Schwester?
¡¿Huyó de casa?!
¡¿Es tu hermana perdida?!
¡¿Ha huido de casa?!
¡¿Es tu hermana perdida?!
C’est une fugueuse ?
Ou ta petite sœur cachée ?
È una ragazza scappata di casa?!
È la sorellina da cui ti eri separato da una vita?!
Ela é uma fugitiva?!
Ou é a sua irmã perdida?!
Она сбежала из дома?