Previously an assistant of Lumiose City's Professor Platane, Alain and his Lizardon set off on a journey to become even stronger, by mastering the powers of mega evolution. Investigating the mysteries of this phenomenon, at the behest of the enigmatic Fleur-de-lis, Alain and Lizardon travel across Kalos and Hoenn in search of capable trainers who can use mega evolution in order to improve, as well

Previously an assistant of Lumiose City's Professor Platane, Alain and his Lizardon set off on a journey to become even stronger, by mastering the powers of mega evolution. Investigating the mysteries of this phenomenon, at the behest of the enigmatic Fleur-de-lis, Alain and Lizardon travel across Kalos and Hoenn in search of capable trainers who can use mega evolution in order to improve, as well as help Fleur-de-lis with his research. Along the way, they meet a young girl named Manon who, with her Harimaron, decide to accompany Alain, to which he reluctantly agrees. Pokemon XY: Mega Evolution follows Alain and Lizardon in their journey to become the strongest users of mega evolution, while also fighting against legendary monsters to protect the ambitions of Fleur-de-lis as well as the safety of those most important to him. [Written by MAL Rewrite]