Also known as: My Older Sister Is the Main Character; 언니가 주인공인데요; Eonniga Juingongindeyo; My Elder Sister Is the Protagonist; My Big Sister Is the Main Character; My Sister Is the Main Character; My Sister Is the Protagonist Though; My Older Sister Is the Protagonist; A minha irmã é a protagonista; Moja starsza siostra jest główną bohaterką; Моя сестра - главная героиня; Pemeran Utamanya adalah Kakakku!; 主人公はお姉様だったのに！; Chị gái tôi là nhân vật chính