Playback confirmed "Sekai ni wa Ai Shika Nai" (There's Only Love in the World) Keyakizaka46 Price: ¥1,069 #Keyakizaka46 #CD #J-Pop The 2nd single from the second "Sakamichi Series" group following Nogizaka46. The title track, "Sekai ni wa Ai Shika Nai," is the theme song for the TV Tokyo drama "Tokuyama Daigoro wo Dare ga Koroshita ka?" (Who Killed Daigoro Tokuyama?), in which the group stars.