What happens when the infamous gang leader known for his cool demeanor turns out to be a dork who loves idol groups, animals, emoticons, photography, and vibrant colors?
Chaos.
For the simple and average Jung Jieun, getting her hands on a seemingly ordinary notebook wasn't supposed to give her life a complete turnover. However, when the notebook turned about to be the diary of Infinite's popular leader, Kim Myungsoo, her ordinary life immediately turned into one, big, rollercoaster ride.
Gangs, friends, secrets, confessions, heartbreaks, and a diary.
How will Jieun escape this brand-new exhilarating and wild adventure when it has become difficult to find the exit?
Sara was a simple girl who loved a band called Infinite more than anything, she always cheered for them from afar, loved them with all her heart and swore to remain loyal to them and to silently pray for their success and happiness.
She never thought she could meet them personally, what happens when an unexcpected wind of luck blows in her favor and that of her best friend, and she gets to not only spend time with them, but with her two favourite members Sungyuu and Myungsoo.
A series of unforunate events will lead her to proove her strenght and love for the two members, her heart will forever remain in a dilemma when out of the blue, the two of them will claim that she is their guarding star and perhamps even...the love of their lives.