Crossover between Percy Jackson and the 39 clues. When Percy Jackson receives an Iris Message from an unknown person, he travels to Attleboro to answer the call. Meanwhile, Amy and Dan Cahill have received a letter from the Vespers. When they both go to their allocated places, neither the anonymous person nor the Vespers show up. Instead, Percy and the Cahills stumble onto each other. What will happen when the two worlds collide?

The Hunt is over, and Amy and Dan are ready to live normal lives. But new powerful enemies think otherwise. The Vespers who have been hiding in the shadows while following the Clue hunt are now ready to rise and make themselves known. The Vespers are rising, and can Amy and Dan stop them in time? Or will the Vespers succeed in their plan to take the 39 clues, and even rule the world?

Natsu Dragneel a.k.a. Mr. Bad Boy Lucy Heartfilia a.k.a. Ms. Gangster These two aren't the best of friends and swore to kill each other. Well not really kill. These two are rivals in crime making, if you think that in the anime they're best buds then here, it's different. During the projects week, these two were paired up on a project that they have to do together. Knowing that they won't be able to finish the task, they immediately told their teacher a.k.a. Mr. Clive (Gildarts). Mr. Clive threatened the two and they did their best in the task. After a good teamwork they decided to forget about their rivalry and be friends. Months later a transferee transfered in Magnolia High, but was actually the childhood friend of Natsu Dragneel, non other than Lissana Strauss. Lucy got jealous how Natsu doesn't do bad things and do good things for Lissana. How would things turn out for the two? Find out in My Gangster Girlfriend -NATCHIHamada-

Reborn invited Tsuna and the others for a visit in Ikebukuro to meet a certain someone. Most of the guardians think it's only a vacation, but Tsuna thinks there's something else in their visit.