The Bond of Twins Creates and Accompanies Each Other

There are always some people in a person's life. When they are around, you are bored with them, hate them, and are angry with them; when they are gone, you miss them, fall in love with them, and love them. In his youthful years in his twenties, Cheng Wan suffered from lovelorn and at the same time lost forever the sister whom he clearly hated but missed until the end. In the youthful years of her twenties, when Cheng Yan had a good harvest of family and love, life played a joke on her; while Lin Bei had a good harvest of love, he also forever lost the one he loved most; You Cheng made a difficult choice between entering her world and leaving her world. Was Cheng Yan's death an accident or was it planned? How does Cheng Wan choose between Lin Bei and You Cheng? The bond of twins, living together.