"Always" is Mika Nakashima's 31st single, released on January 20, 2010. The title song is the theme to the film "Sayonara Itsuka" starring Miho Nakayama. The single charted at No. 3 on the Oricon singles chart; aside from selling 42,165 copies, the title song has surpassed sales of over 1 million downloads.
The first press of "Always" came with a 2010 calendar, featuring photoshoots designed by Nakashima herself.
The B-sides "BABY BABY BABY" and "SPIRAL" were featured in commercials for Ghana (Valentine's Day promotion) and Kanebo Kate (Gradical Steps), respectively.