The #1 on Show! Music Core on 2018-01-27 was “Heroine” by Sunmi — win No. 2 for the song and career win No. 7 for Sunmi (No. 1 on this show). It also won M Countdown, Inkigayo the same week (3 crowns).
“Heroine” has 3 music show wins in total: 2018-01-25 M Countdown, 2018-01-27 Show! Music Core, 2018-01-28 Inkigayo. Sunmi had 2 wins in 2018 up to this date, and this was the artist's first win on Show! Music Core. The previous week's Show! Music Core #1 was “Tell Me” by Infinite. The other shows that week went to The Show: “Secret Garden” by Oh My Girl; Show Champion: “Secret Garden” by Oh My Girl; Music Bank: “My Flower” by JBJ. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-01-23 | The Show | Secret GardenOh My Girl | ★ #1 |
| 2018-01-24 | Show Champion | Secret GardenOh My Girl | ★ #1 |
| 2018-01-25 | M Countdown | HeroineSunmi | ★ #1 |
| 2018-01-26 | Music Bank | My FlowerJBJ | ★ #1 |
| 2018-01-27 | Show! Music Core | HeroineSunmi | ★ #1 |
| 2018-01-28 | Inkigayo | HeroineSunmi | ★ #1 |