Rhea and Dion thoroughly enjoyed their vacation on Jeju Island. They regretted that it lasted only three days-they should've spent more time there. However, considering Rhea needed to return to her company and Dion had to resume his studies, they reluctantly returned to California.

They had just arrived home. Feeling exhausted from the trip, Dion decided to get some rest.

"I'm going to sleep. I'm really sleepy."

"Yeah, I want to rest too."

"Hmm, then let's both rest."

Rhea frowned when she ...