~First Book of The Illness Series~ Natsu Dragneel was in his last year in college about to take over his father's company, Dragon Inc. Everyone thought Natsu was a cold-hearted person, he was harsh to his friends and even random people he just meets. There was a reason Natsu was like this. That's because his childhood best friend and secret girlfriend Lucy Heartfilla were sick with an invisible and deadly illness. Lucy got sick at the age of 9 years old she had met Natsu when she was 5. Her and Natsu always had been close and he was the only one who could calm her before her illness got too bad. What happens when Natsu's stalker finds out about Lucy? What happens with Lucy's illness takes many turns? What happens when Lucy can finally go outside once again? Will Natsu let his friends finally meet and know about his girlfriend?

Zeref Dragneel. He was supposed to be the heir, the king, to the Dragneel throne, but, after running away ten years ago, Igneel chose Natsu to be heir instead. In order to unify the two neighboring kingdoms into one- the land of Fiore and the land of Entail- Igneel arranges for the Entail princess, Lucy Heartfilia to visit and meet Natsu. But, during her stay, Zeref attacks Natsu. Igneel tells Natsu to run and to protect Lucy, so that's what he does. But will Zeref find them? Are they really ever safe? (Natsu x Lucy)

After a seemingly simple job request, Lucy is left unconscious and Natsu is left to rethink their relationship. Once she wakes up, they start to notice things about each other that they never really thought about. Was he always that attractive? Or were her eyes always that beautiful? These new thoughts lead to tons of tension and plenty of other amazing things, but you'll have to read if you wanna know!

In celebration of his high school graduation, Natsu and his friends go to a ski resort. While exploring on his own, he stumbles across a certain blonde girl, standing at the edge of a cliff. Due to their unexpected encounter, she runs away. Along the way, she drops her diary. Natsu picks it up, and curiousity gets the best of him. Things take a horrible twist, when he discovers the contents within her diary.

He had everything, yet needed everything. Natsu Dragneel had everything, the looks, the brains, and the money. Afterall, he was the son of the famous millionaire, Igneel. People think that he has the perfect life, but we all know that no one is perfect, in fact Natsu is from from it. Jude knows Lucy's destiny, so with that in mind, he decides to shift gears and send her to high school, all he wants for her is the best. However, things take a turn when Natsu begins bullying her right off the bat, which sets off a bunch of obstacles that get thrown their way. Will something emerge from this whole ordeal?