Ramyun Brothers Go to Japan

Kang Ho-dong, Lee Seung-gi, and Bae In-hyuk are gathered to open a ramyeon restaurant in Japan. The three of them are serious when it comes to cooking ramyeon. However, coming up with new recipes and doing business is something new to them. They are full of passion, but still, they have a lot to learn. Finally, the restaurant is open, and customers come in. How will their first day of business go?