Some Trivia

 In the Black and White chapter of PokéSpe, Bianca's Pokédex breaks early on. Once it's fixed, she gives it to White. A similar case happens with Serena and Bayonetta.

 During the X and Y chapter, X allows Chespin to accompany him. Y later keeps Froakie. The Fennekin is claimed by Malva. This is changed in which Ash gets Froakie, Bayonetta chooses Fennekin as her Starter, and Shauna finds Chespin.

 Like with X, Bayonetta is the only main character with a Kanto starter on her.

 Serena is a Sky Trainer, just like Y is. Like with Y, her hair gets cut two times.

 Suzume would later receive a Chespin of her own, whom she nicknames "Marisso". This is the nickname X gave his Quilladin back when it was a Chespin.

 Ash's Unison Device is red, Bayonetta's is lavender, while Suzume's is sky blue. Bayonetta's was originally going to be green, though it was changed to lavender later on.

 The red Unison Device Ash holds symbolizes his passion. Suzume's Unison Device symbolizes her cheerful nature. Serena and Clemont's Devices are orange and blue, resembling the lights that shone from their hearts during a crisis in one chapter.

 Like in the Games, Bayonetta receives a Mega Ring from Korrina.

 Sina gave Ash his Unison Device. Rodin delivered Bayonetta's Device to her. The rest were granted by Loki. Loki is revealed to have one of his own in one chapter.

 Ash and Bayonetta get updated Pokédexes following the Anistar City Gym Battle. This comes before the end of the XY arc. Bayonetta's two Pokédexes, however, are lavender instead of the normal red color.

 Like in the Games, Clemont expresses a desire to become Champion of Kalos.

 Like with Ruby and Sapphire's Kirlia, Ash desired to have both of them evolve into a certain form. Sapphire wanted to have two Gardevoir, while Ash wanted them to become two Gallade. When a Dawn Stone is kicked to Bayonetta's Kirlia, he becomes a Gallade instead. Ash gets Gardevoir, to his initial dismay.