One is courteous on the outside and straight on the inside, while the other is well-rounded.
The first time Ji Yu saw Shen Yu, he felt special. As he got closer and closer, he learned the truth. The two met in the troubled times of the ruined city and stayed together at dawn, from acting on occasion to acting real.
Several rounds of deliberate teasing and seduction made everyone fall deeply into it. Everyone lamented that the actor was ruthless and heartless, but in the end he was sincere...
Purpose: National interests are higher than individual free will