Friends! "Friends!" is the seventeenth single released by Nami Tamaki on July 29, 2009. It is her second single of 2009. The song was used as the beauty salon chain 'Palty' campaign CM song, as well as the NTV news show August theme song. The single was released in three versions: two limited CD+DVD versions and a regular version. Each version had a unique B-side. The track was written for Tamaki by the electronic band Hi-Fi Camp. The song was used as the Nintendo Wii game Arc Rise Fantasia's theme song. It was originally released as a digital single on . The PV opens with Tamaki walking through a darkly lit grocery store, picking up various items off the shelves. It then shows her winking at the camera. The music then starts to play as Tamaki dances in a brightly lit grocery store with two of her friends. It occasional shows clips of Tamaki dancing and singing in with a pink background behind her as well as a mirror. The song ends with Tamaki smiling at the camera.