C1257 Eight Trigrams

Why was Faang Ruichen's car parked outside Ruoruo's house all of a sudden?

Wang Nan swallowed her saliva.

If her guess was correct, there must be something fishy going on here that no one knew about. She had to observe more.

Thinking of this, Wang Nan parked her car and hid in the corridor.

She was very patient and looked at the time. However