[5] The website states that using the Hashtag "#SakuraNagashi" enters the Twitter user into a prize draw to win one of 1000 CD jacket-sized stickers.

[6] A music video was created by film-maker Naomi Kawase, who has previously won the Cannes International Film Festival Grand Prix as well as the Caméra d'Or.

They stated about the video: "Because we live in a time such as this, I wanted to incorporate the message of the need to value the things that are presently and immediately around us and can be touched."

The video depicts various images of scenery around Japan, such as fields of flowers, meadows, more industrialized areas and a baby being breastfed by its mother, as well as an umbilical cord being removed after the birth of a child.

[7] A few days after the release of "Sakura Nagashi", Paul Carter uploaded a version of the track to his YouTube channel, which featured him playing the song on piano.

[9] Aside from its use as the theme song to the movie Evangelion: 3.0 You Can (Not) Redo, no promotional activities for the single were undertaken due to Utada being on hiatus from the music industry at the time of its release.