Jessica Soo-yeon Jung or Jessica Jung, is a girl group’s main vocalist who trained for years. Her group’s name is Girls’ Generation in English, and Sonyeo Shidae in Korean. Girls’ Generation is very famous. People call them as Asia’s number 1 girl group. See? But a terrible accident happened. Jessica lost her memory. Her car crashed because the road was slippery, she’s with her sister when the car crashed but she’s safe, her sister’s name is Krystal Soojung Jung, she’s also a member of a girl group, f(x). Jessica cannot remember SNSD, slash her sisters. The only person that she can remember is Krystal.