Sister, I have liked you for a long time. Why do you reject me? Why do you want to be with a man? How am I inferior to him? It's him! It was he who caused you to become like this! He has abandoned you! Sister, I'm here! And me! Sister, sister... Sister, always be my patient, okay? I love you.
Ah Yu, you can't do this, let go, I am your biological sister! I'm your sister! ... Are you crazy? I? Mental illness? I think you are mentally ill! Who are you? Let me go, you crazy person! Ah Yu? Ah Yu, is that you? Where are you? Why can't I see you? Where is this? Ah Yu! Ah Yu! Ah Yu... Sister will always be by your side...
The above dialogues are progressed one by one according to the plot.
Intention: In the abyss of blood and sin, they carve each other with love as a blade until they carve each other into the shape of a cage.