You have a crush on me

Hearing Liu Ruyan's address, Isaias Jones asked in surprise: "Ruyan, how did you know it was me who called?" He had just changed his number.
"It's really you!" Liu Ruyan was extremely happy and smiled charmingly: "Guess!"
"How do you guess that?"Isaias Jones smiled bitterly.
"It's very simple, because no one knows my number except you, Isaias, not even my family members know it." Liu Ruyan said with a smile.
Just now, she was bored and lying on the bed looking at her phone, when she...