When Xu Yang first confessed his love to Jin Zhongni, he felt that he didn't like men, just because the person he liked happened to be a man. Later, he felt that he was born to like men, and it was not impossible to find a man with a similar personality and similar interests in his next life. But then he gave up and felt that it was difficult to love someone...
Concept: Two people of different nationalities, who were unknown and could stay together when they were trainees, but after their debut, they drifted apart until they separated.