| 12 Byō | |
| Cover: | 12_Byou_TYPE_A_COVER.jpg |
| Type: | single |
| Artist: | HKT48 |
| A-Side: | 12 Byō |
| Released: | (Japan) |
| Genre: | J-pop |
| Label: | Universal Music Japan |
| Producer: | Yasushi Akimoto |
| Prev Title: | Hikaeme I Love You! |
| Prev Year: | 2014 |
| Next Title: | Shekarashika! |
| Next Year: | 2015 |
is the fifth single by the Japanese girl idol group HKT48, released in Japan on April 22, 2015. It reached number one on the Oricon weekly singles chart.[1] As of June 1, 2015, it had sold 296,698 copies.[2]
The centers in the title song are Haruka Kodama and Sakura Miyawaki. Haruka Kodama had previously had the center position in a HKT48 single (in the 4th single "Hikaeme I Love You!"), while for Sakura Miyawaki (who had already been a center in AKB48's 38th single "Kibōteki Refrain", together with Mayu Watanabe), it was the first center position in a single by HKT48.[3]
| Chart (2015) | Peak position | Debut sales | |
|---|---|---|---|
| Japan (Oricon Daily Singles Chart) | 1 | ||
| Japan (Oricon Weekly Singles Chart)[4] | 1 | 277,916 | |
| Japan (Oricon Monthly Singles Chart) | 2 |