| Must be now | |
| Cover: | Must be now cover.jpeg |
| Caption: | Cover of Type-A regular edition. |
| Type: | single |
| Artist: | NMB48 |
| Released: | (Japan) |
| Label: | laugh out loud records |
| Prev Title: | Dorian Shōnen |
| Prev Year: | 2015 |
| Next Title: | Amagami Hime |
| Next Year: | 2016 |
"Must be now" is the 13th single by Japanese idol girl group NMB48. It was released on October 7, 2015.[1] It was number-one on the Oricon Weekly Singles Chart[2] with 307,036 copies sold.[3] It was the second best-selling single in Japan in October 2015, with 326,308 copies.[4] It was also the eighteenth best-selling single of 2015 in Japan according to the Oricon Yearly Singles Chart, with 386,320 copies sold.[5] As of February 22, 2016 it had sold 414,015 copies.[6] It was also number-one on the Billboard Japan Hot 100.[7]
An alternative dance shot version with full-size song was published on YouTube.
| Chart (2015) | Peak position | |
|---|---|---|
| Japan (Oricon Weekly Singles Chart) | 1 | |
| Japan (Billboard Japan Hot 100) | 1 |