This is a story about IUSeob. They both have been a couple for three years but nothing special happened between them. Well... Nothing special means that they've never kiss,hug, or anything that couples will do. This is because they're best friends since childhood so maybe it'll be a little awkward to do such things. Will they continue like this or they both will find courage to be a normal couple? Anyway... Enjoy the story!

Jieun and Sungjong are twins, and they both go to different boarding schools. Until one day, they joined up into one school and Jieun found out about her brother's secrets. Jieun suddenly became part of the secret and started risking her life and getting into danger. Soon, many people were after her. Will she be able to survive? Should she have found out the secret or was it a big mistake?