"Not available?" William's tone immediately changed on the phone. "How can you come up with such an ambiguous reason? Vivian, can you tell me the truth? Is there a problem between you two?"

Vivian was very close to Nathaniel, and William's voice was loud.

But there was no sound in Nathaniel's earphones, as he originally did not intend to eavesdrop on Vivian's phone conversation.

However, William's question attracted his attention and he perked up his ears.

But Vivian ...