Mr Devil who is a frivolous and two-faced seme X Mr Angel who is a muddle headed and adorable uke. As an angel, Nuo Qiu accepted a special mission in order to fulfill a wish -- the mission was to become Mr Devil's examiner. However, this person to be evaluated actually said that he has known Mr Angel long ago. That's strange, angels and devils are not suppose to have any contact! However, as contact increases with Mr Devil, Mr Angel comes to realize that this devil is a bit different! "I seem to have.... grown to like him?"