Frozen Billionare Man

"M-Mr. Josef ...," said Leta in surprise, she stammered when she saw a man who was known to be cold and frozen to all women sitting across from her. The boss. Josef's sharp gaze seemed to tear Leta apart when their eyes met. Leta froze, in her seat, unable to do anything. Can not even cancel, because it is his own choice. Leta is forced to participate in a matchmaking event because her boyfriend has dumped her. Today was supposed to be Leta, and her boyfriend got married, but his girlfriend cruelly canceled the wedding ceremony unilaterally and chose to marry another woman. What caused Leta's lover to leave her, and how did Leta and Mr. Josef's relationship end?