"Hitori" (ひとり) is Mika Nakashima's 15th single.

It is a re-cut single, originally from her Music album, and was used as the theme song for the PlayStation 2 game Drakengard 2.

is the theme song for the game while "Hitori (Endroll ver.)"

It was released a week ahead of the game.

Overall, it sold 26,275 copies according to the Oricon charts.