Blackmailed By The Dragoneel [Nalu fanfic]

"Looking for this?" Whispers a voice that sends shivers down my spine. I turn round and see the one and only Natsu with my diary in hand I try to snatch it but he has long arms. "Give it back it's mine!" "Well now it's mine and I gotta say I never knew you were one for skinny dipping" he laughed evilly. My eyes widen...