Heroine (Sunmi song)

On December 18, 2017, it was revealed that the singer was preparing for a comeback with the goal to release a new song in January 2018 with no further details. A day after, a short clip was released titled as a "prequel" to the official music video. On January 3, a full schedule was released, revealing the dates for image and video teasers, starting on January 4. The song was released on January 18, 2018, through several music portals, including MelOn in South Korea. ==Composition==

The song was written by Sunmi and Teddy Park, and produced by Teddy alongside 24. Musically, the song is noted for its Britpop and tropical house influences. ==Music video==

The first music video teaser was released on January 15, and shows the singer descending from a car to then show a close-up of her face. A second teaser titled "Scene #2" was released a day later, and shows the singer running and dancing at the same place as the first teaser. The official music video was released on January 18. The music video was directed by the group Lumpens. ==Commercial performance==

The song debuted at number 6 on the Gaon Digital Chart, on the chart issue dating January 14–20, 2018, topping the componing Download Chart. In its second week, the song reach a new peak at number 2. The song also debuted at number 3 on the US World Digital Song Sales with 2,000 downloads sold. ==Controversy==

There are concerns that the song has plagiarized Cheryl's debut solo single "Fight for This Love", which was released in 2009. Sunmi's agency said that they were investigating the issue. It later concluded with stating, "We unequivocally reveal that ‘Heroine’ is 100 percent an original creative work with absolutely no reference to the song that has been named in the controversy." ==Charts==

Weekly charts Year-end charts ==Accolades==

Awards and nominations Music program awards == See also ==