Why

, is the ending theme song of SPY x FAMILY CODE: White. It is performed by Gen Hoshino.
The song was revealed to be the movie's ending theme on December 22, 2023, and was released on December 27, 2023 at 21:00 JST.
== Description ==
Hikari no Ato, literally meaning "Traces of Light," in English and officially translated as Why, is a song by Japanese singer-songwriter Gen Hoshino. It was written as the ending theme song for the 2023 anime movie SPY x FAMILY CODE: White.
== Tracklist ==
=== Digital Single ===
* (lit. "Traces of Light / Lifeform")
== Lyrics ==
=== Full ===
<tabber>
Kanji=
|-|
Romaji=
|-|
English=
</tabber>
== Gallery ==
=== Promotional Images ===
Why Promotional Image.png|Gen Hoshino Promotional Image
Why Illustration.png|Illustration by Tatsuya Endo
=== Store Specific Benefits ===
A campaign is being held in honor of the release of the song. Customers who purchased the target product from different stores receive purchase benefits illustrated by Gen Hoshino.
Why Purchase Benefits.png|All types
=== Videos ===
『劇場版 SPY×FAMILY CODE- White』公開後 最速特報／星野源「光の跡」【大ヒット上映中】|Release AnnouncementTeaser Track
『劇場版 SPY×FAMILY』／星野源「光の跡」コラボムービー【大ヒット上映中】|Collab Movie
星野源 - 光の跡 (Official Video)|Music Video
== Comments ==
== Trivia ==
* Although the song became available for purchase in some stores on December 27, 2023 at 0:00 JST, the release of the official music video was postponed to 21:00 JST for unknown reasons.
== References ==
== Navigation ==
Category:Music
Category:Ending Songs
Category:Merchandise