"Mom! Why are you suddenly having to go to the U.S.?" I don't know how to express it, but I was suddenly shocked after hearing this news. 

I looked at my mom's face, who was already looking at me with a distressed expression. As she knew, I would not be happy to hear this new announcement. 

"Honey! I know you don't like me to leave you alone for long. But..." 

She sighed.

"But my company wanted to do a big annual event this year for our big success to get the top three projects from the ...