CHARACTERS:

Kim Sunggyu

-hard-working, caring, an orphan

-works as a waiter in a restaurant that Jiyeop always go to.

Kim Taeyeon

-caring, gentle, rich and friendly.

-she knows that she has a twin brother but her parents never talked about it when she is around.

Kim Jiyeop/ Kevin

-friendly, caring, responsible

-he knows about his long lost sibling but doesn't know where to find him/her.

-he took care of business after their parents died just years ago.