"Zutto Zutto Tomodachi" (ずっとずっとトモダチ, lit. Friends Forever and Ever) is the third official single by Japanese child actress and singer Mana Ashida, released on May 16, 2012. This is Ashida's second solo work after Sutekina Nichiyōbi, used as both the opening and ending themes of the Sanrio and Studio Comet anime series Jewelpet Kira Deco! and used as a song to promote the movie Jewelpet the Movie: Sweets Dance Princess. The single reached the 17th position on the Oricon Weekly Singles Charts after its release.