Sunghoon is your loving bf. You two dated for 3 years. But their is this girl, Saemi who had a biggest crush on Sunghoon. She didn't know that Sunghoon is already in a relationship.

One day, you were in school studying while Sunghoon was at home. Saemi was calling Sunghoon million times but Sunghoon doesn't answer since she was too annoying.

after school, you and Sunghoon went to a restaurant for a date. While you two were talking, you two didn't know Saemi and her bestfriend came in the same restaurant as well..