sentences:  The first A-side, "Peach" is an upbeat song said to "give the feeling of the refreshing summer sky" and is the theme song of the new summer 2007 drama, Hanazakari no Kimitachi e, starring Maki Horikita, Shun Oguri, and Ikuta Toma.In contrast, the second A-side, "Heart" is a medium-tempo track which has a "nostalgic feeling".The single also features a rearranged version of the single "Renai Shashin" called "Renai Shashin