Anime news website Animeanime has announced that the upcoming series Pocket Monsters Best Wishes Season 2 Decolora Adventure, which premiers April 25th, will feature an all new opening song: Summery Slope (夏めく坂道) by pop singer Daisuke.



"I am very happy to be able to do a collaboration project with Pokémon, which I've loved since I was a kid", Daisuke says in a comment. "This song is packed to the brim with the exciting emotions of summertime. I want everyone to listen to it as soon as possible."

Source: http://animeanime.jp/article/2013/04/05/13567.html