What genre does The King in Love and Sageuk have in common?
Sageuk Sageuk (;    ) in Korean denotes historical period dramas, including traditional drama plays, films or television series. In English language literature sageuk usually refers to historical films and television series (of South Korea).
Sekai ni wa Ai Shika Nai "Sekai ni wa Ai Shika Nai" (世界には愛しかない , There is only love in the world) is the second single by the Japanese girl idol group Keyakizaka46. It was released in Japan on 10 August 2016 on the label Sony Records. The song was used as the theme song of their mystery and comedy drama "Tokuyama Daigorō o Dare ga Koroshita ka?" (徳山大五郎を誰が殺したか? , Who did kill Daigorō Tokuyama?) that premiered on TV Tokyo on 16 July 2016.