Mistakenly You Become a Devil

A woman disguises herself as a man and falls in love with her sworn brother, while the other is ruthless but jealous of his beloved wife. Little does he know that his beloved wife is her and his adopted brother is also her. After many entanglements, the two finally knew the truth, but their gradually warming relationship was ambiguous due to their identities and positions. One was a decent person who bore the hatred of his parents, and the other was an extremely evil person who swore against the decent. The two fell in love and killed each other, separated and reunited, and turned the world upside down. Years later, they really wanted to know, and the knot in their hearts was finally resolved. The two retreated from the world and lived on the fairy island for a long time...