Ruka is hellbent on knowing the full story behind Kazuya and Chizuru's relationship, and once she does she decides to take action.
Endurance?
صمود؟
Der Ausdauer?
¿Resistencia?
¿Resistencia?
Lentement, mais sûrement ?
Ha detto guerra di logoramento?
"Batalha de resistência"?
На выносливость?