After his mother passed away, Ji Ze learned that his biological father turned out to be the well-known general manager of Lu Group.
He broke into his biological father's existing "happy family." His appearance was strongly dissatisfied by his half-brother.
He is incompatible with this family and knows very well that he is an uninvited third party.
Later he became the younger brother and the school sweetheart's third party.
He had feelings that he shouldn't have towards his younger brother, a sweetheart. However, while he was still immersed in his sweet dream, reality gave him a heavy blow and he realized that there would always be an unbridgeable gap between himself and people like Lu Qiyan.
Concept: Love is thicker because of differences