After all, both of them are actors, and he is a top-tier celebrity. Not announcing their relationship formally before was also due to concerns about affecting his career. They made decisions several times but hesitated each time, all because of this.
Earlier, although she "threatened" the show with the issue of her mother's TV drama, her request was initially rejected by the production team, and any collaboration needed further discussion. Moreover, what she mentioned was "acting," allowing them both a retreat option. In case someone continues to dig into their situation, they can attribute everything to CP hype, which wouldn't affect both of their careers, especially his.
