As for Ruyi's Royal Love in the Palace: I, Jinzong, Can Travel Between Two Worlds!

Qu Yingsheng's parents divorced when she was young, and she grew up with her grandfather. On her eighteenth birthday, she saw her seriously ill grandfather off and inherited the mountain he left her. After completing all the paperwork, she held a belated birthday celebration for herself. By chance, she opened a portal through time and space inside the jade pendant her grandfather had passed down to her. The other side of the portal connected to the family heirloom jade pendant of Jinzong from Ruyi's Royal Love in the Palace. From then on, the two began traveling between their worlds through the pendants...