Who protects whom, who pays for whom, everything is fate, everything is reincarnation.
They were siblings, relying on each other for life, but they were annihilated in the sea of fire;
They are brother and sister, supporting each other but sinking in a deep pool;
They were siblings, both on the run, but met in surprise after being separated.
She wants to make him happy, even if he forgets her;
But he kept her deeply in his heart, and forgetting was not the best ending.
Different countries, different sceneries, where will the people who walk side by side or get involved with them end up?