"12 Seconds") 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.

[2] The centers in the title song are Haruka Kodama and Sakura Miyawaki.

"), 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] Performed by Popcorn Children (ポップコーンチルドレン).