In the end: Its him

"M—Mister Patrick?" Ari stared at the man who stood in front of her with a slight furrow between her brows. "How may I help you?" 

The man looked down at her, Ari wasn't small. In fact, among many women, she was taller than most. However, in front of Patrick and his mountainous build, she fell short. 

With his hands clasped in front, Patrick looked at Ari with a small smile playing on his lips. "Nico sent me here with a small message for you. He asked me to tell you that he will be expecting you in his penthouse tonight —as per the arrangements that the two of you have set earlier." 

"Of course, if you don't want to, then he asked you to forget those terms," he added swiftly when Ari opened her mouth to speak. Ari raised her head and looked at Patrick, who continued smiling at her. 

There was this glint in his eyes and Ari asked, "There is a catch, isn't there?"