The preview for Pokémon Get TV 33 revealed that J☆Dee'Z will be in that episode to perform the new ending theme for the Japanese Pocket Monsters XY anime. The official Sony Music information page for the group also revealed the title of the song to be "Peacsmile!" (ピースマイル!). J☆Dee'Z song "The X Straight and the Y Scenery" is the current ending theme for the Pocket Monsters XY anime. It's not known when the song will debut in the anime but it will be performed live during Pokémon Get TV 33.

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Source: http://www.sonymusic.co.jp/artist/Jdeez/info/439863