The older one endured the attack of a strong protector × the youth was broken, paranoid and crazy. The age gap + the double trauma of the original family. One person entered the world and supported the sky and the other was trapped in the abyss.
Intent: After the parents reunited and their marriage broke up, they each walked away. The two people who were abandoned by their families completely hugged each other for warmth and became each other's only relatives, only salvation, and only obsession. The "brotherhood" from a secular perspective has become the biggest shackle that traps the relationship between the two, and it is also the strongest bond to each other.