While Kazuya desperately tries to get Ruka to promise she won't reveal his secret, she tells him her own.
His sister?
أخته الصغيرة؟
Seine Schwester?
¿Será su hermana? No se parecen.
¿Será su hermana? No se parecen.
C’est sa sœur ?
Ils se ressemblent pas.
O magari la sorellina.
É irmã dele?
Младшая сестра? Вроде не похожи…