kim kibum and Kang Jung mi are friends back before. however, after a fight involved, their friendship became loose until they're in highschool. on the first day jung mi went to her new school, she met with Taemin. who is also key's friend. they became close friends and this made key jealous.

of course, tae min know about this and made a trick on those two. he tried to become closer with jung mi and make key more jealous. after doing so, jung mi became more suspicious  with taemin and sooner later, she found out! taemin told jung mi his goal to do the plan and jung mi agreed. officially, they became couple (pretend couple). when key found out, hah, his jealousy is burning~~~ but wait, something is going on....wanna know what??? the read~