Lucy's dad, Jude Heartfilia, loses a bet against Natsu's dad, Igneel Dragneel, and now Lucy must become Natsu's personal maid. She starts developing feelings for Natsu and Natsu develops feelings for Lucy. However, Igneel doesn't approve of Lucy being Natsu's partner because he does not get along with Jude. So he decides to arrange a marriage for Natsu and Lisanna. What will happen since Natsu loves Lucy and Lisanna loves Bickslow?