Hitohira

Hitohira is the name relating to a musical track that has been used a number of time within the Dead or Alive series. For every appearence, it has been used as a character theme for Kasumi.

Hitohira ~Reminiscent of Ketsui no Toki~
Hitohira ~Reminiscent of Ketsui no Toki~ is Kasumi's character theme in all versions of Dead or Alive 2, and as the name suggests, is a loose arrangement of her previous theme from Dead or Alive. It is also heard in Dead or Alive 2 when Kasumi fights against Kasumi α.

The theme is also optional in the Music settings in Dead or Alive 5 Ultimate, simply named Hitohira, and can be selectable for any character and gameplay mode.

Hitohira Remix
A remix of the track, simply entitled Kasumi Remix, first appeared in Dead or Alive 2 Ultimate as one of Kasumi's character themes. It is heard while the player is fighting Kasumi in the Ray House.

It also appeared in Dead or Alive 4, renamed Hitohira Remix, when fighting Kasumi in the Crash Club.

Dimensions Remix
A remixed version of Hitohira was used as Kasumi's theme in Dead or Alive: Dimensions.

Trivia

 * Hitohira ~Reminiscent of Ketsui no Toki~ can be roughly translated as "Petal: Reminiscent of a decision of opportunity".