Gravity Falls and the mystery of the Miraculous! Book one: Ciphers begin

One day one normal day in Paris, another just as normal day in Gravity Falls; everyone in each city is just doing they're normal thing. Saving the day in one solving mysteries in the other, until both missions become one. Both they're worlds collide and then this family and super hero duo team have to save the day and solve the ciphers and find out the truth of this mystery; Make the answers reveal itself to them, while fighting off one chaos-induced adventure after another. Join Dipper, Mabel, Plagg, Master Fu, Ford, Ladybug/Marinette, Hawkmoth, Soos, Grunkle Stan, and Tikki and even more new characters as well in Gravity Falls and the mystery of the Miraculous! Book one: Ciphers begin a Miraculous Ladybug and Gravity Falls crossover fanfiction story!