Seoul High was one of the most popular high school, not only was it affordable it also has a lot of connections for students colleges, it was almost the perfect high school to any parents, but it was also too good to be true...There had been a rumor about the school having a high rating of bullying happening around, how the school's staff and student council turn a blind eye in the bullying and instead cover it up with money...

Until one day the student council members have suggested a new program, to let students get to know one another without knowing who is who, to learn and reflect one another's story...It was called the PenPal Program. Fortunately, the school agreed to the said program, knowing they won't be able to keep the bullying happening under the rug for long...Without their knowledge, the penpal program will change many lives and create different, stronger bonds and also create man drama and life-changing decisions. But for we'll be focusing on twelve individual, all with different personalities, life, and story to tell...

Find out what will happen to the twelve individuals as romance and drama will bloom around the six couple that will emerge from the stories in their letters...