What happens when a boy starts having a dangerous obsession over a girl who barely notices him? Read to find out!

Lucy Heartfillia, the daughter of a very powerful mafia boss, is sent to seduce Natsu Dragneel, the boss of a gang called Fairy Tail, and kill him. But what if things don't go as planned, and she actually falls in love with him. Will Natsu find the truth about her? If he does, what will happen? And what will her father do if he finds out that she had fallen for him?