Ruka is hellbent on knowing the full story behind Kazuya and Chizuru's relationship, and once she does she decides to take action.
Ruka-chan?!
!روكا-تشان؟
Ruka-chan?!
¡¿Ruka?!
¡¿Ruka?!
Ruka ?
Ruka!
Ruka-chan?!
Рука?