Sayonara no Hohoemi

Our guy received a plane ticket to a resort island in the mail. What good is that when he has no money to spend there? Luckily, his boss want him to go to that island to do some work. There, he need to work to make money to go places and chase one of 8 girls, including his childhood girl that followed after him. Can he say goodbye to a girl with a smile after three weeks or so?