Darkness and light, like twin flowers, complement each other and are indispensable. They invade each other's space needed for survival, and both will eventually suffer losses. Pupula and Yaga, aren't they just such an example? The sisters, who obviously coexisted like twin flowers, were forced to separate because of the positions they represented. Is fate fair? Never, it will only push you into the abyss of despair when you are full of hope. It will never pity anyone, just like time, it will never stop for anyone, it will only keep moving forward moment by moment! The cycle goes back and forth...