Starring Chae Soo-bin, Jang Dong-yoon and Jinyoung, it aired on KBS2 on September 3, 2017.
The special focuses on two High School seniors, who are next door neighbors and who have been friends since birth.
Their relationship is very close but becomes strained and distant due to a variety of changes (a new student gets between them, unrequited feelings, difficult relationships with their parents) as they try to prepare for the next chapter of their lives.
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