Ruka is hellbent on knowing the full story behind Kazuya and Chizuru's relationship, and once she does she decides to take action.
I-I know...
...ذ-ذلك
I-Ich weiß doch …
Pues…
Pues…
Oui, mais…
E-Ecco...
E-Eu sei...
Ну да…