As for why the two of them laughed, they simply found such a form quite amusing. They already knew everything there was to know about each other, but still pretended like the emperor's new clothes, acting as if they were oblivious.
Ambiguity is also an emperor's new clothes, visible only to those who have a mutual affection.
Children speak bluntly, while adults are deep in their secretiveness.
On the other side, Nian Shuyu and Liu Renzhi exchanged identity tags, and as it turned out, both were Love Hunters. When their identities were revealed, everyone behind the cameras cheered, celebrating the birth of the first romantic couple!
The celebrity observation room stood up as one, everyone going crazy for this moment. Nian Shuyu had gone through too much over the past six or seven days, from making choices to being abandoned, and finally finding mutual redemption with Chen Feiyu.