Japanese VA: Nitta Emi .

Nitta Emi is a Japanese voice actress, best known for her role as Kōsaka Honoka in the franchise Love Live!. It is presently not known if she has any role in an official capacity, relating to Pokémon.

In her Super Secret Base, her battle team consists of a Mega Charizard Y, Poliwrath & Aegislash.
As this is a special Super Secret Base, it can be found in the locked back room of the house south to Mossdeep's Pokémon Center.

This QR code was made available at the Jump Festa 2015 in Japan. Thanks @BlackShark for helping the site archive this.