A story of a boy who's been searching for his true love and a girl waiting to be found. With mixed emotions, roller coaster events and a college life hurdle, will these two star crossed lovers manage to find each other? Or will they find someone else for one another?  

" inside an innocent look is a twisted mind .. "   There are seven of them but only her alone , her innocence is her only drop of hope in order to survive her tragic fate . ​Will one innocent vessel survive being together with those who carry the seven deadly sins ?

​Chae Hyungwon , Lee Minhyuk and Shin Hoseok AKA Wonho aren't your ordinary highschool kids . ​Despite the young age and looks , they are actually part of a very top secret organization called "X" . ​Together they form a unit who's top priority is to take down huge mafias and capture one of the biggest boss , R2 .