tattoo on your heart

this book is about a girl and a boy who fall in love, the boys name is jack, and the girls name is April-rose-summer, that's her first name. and the boy is a ninja assassin, but he only kills bad people. the girl is just a regular teenager, who has way to many school work. they run into each other at a bar one night, and everything starts there, and their love starts and blossoms from there. please read!!!!!