Intro. Yuna and Hyerin are the children of a colummerat from South Korea. Yuna's parents own technology companies in Korea and Indonesia. Hyerin's parents owned industrial companies in Korea and Indonesia. Yuna and Hyerin moved to Indonesia when they were children. Yuna and Hyerin attend elementary school in Indonesia and are often bullied because of foreigners. Adit helps Yuna and Hyerin from bullying and diving them. Finally, the three of them were friends until high school. When he was in high school, Adit's parents suddenly all died. Adit only lived alone and then became severely depressed. Finally, Adit was taken by his grandmother to South Korea and taken care of. While in Korea, Adit slowly became fat and ugly due to depression, so he was often bullied in Korean high school until college. Three years passed, Yuna and Hyerin decided to return to South Korea to study. Unexpectedly, the three of them were at the same university. One day Yuna and Hyerin saw Adit being beaten and bullied at a university in Korea.