His name is Louis, also called Lu Yi, also called Su Yi.
He is a daughter in the eyes of his parents, a sister in the eyes of his sisters, and a brother in the eyes of his friends, but he is nothing. He was a person who did not exist in this world, but he suddenly appeared and disrupted everyone's lives and his own feelings.
His unholy love for his sister, his lover's infatuation for him, and his father and mother's affection for him put him in a dilemma when he was originally filled with hatred.
Shouldn't he really show up?