Seishun no Serenade (青春のセレナーデ; Serenade of Youth) is the ninth major label single released by Mano Erina. The single was released in one regular edition and two limited editions. The Limited A edition came with a DVD. It reached #13 on the Oricon weekly chart and sold a total of 13,265 copies. Now former Hello Pro Egg members Sengoku Minami, Sekine Azusa, Kaneko Rie and Kizawa Runa appear as back-up dancers in the MV.