"P.S My Sunshine" (stylized as "P.S♡MY SUNSHINE") a song by Japanese singer-songwriter Mai Kuraki from her fifth Fuse of Love (2005).

[1] The single was released on 1 June 2005 through Giza Studio as the third single from Fuse of Love.

"P.S My Sunshine" is a J-pop track with a teen pop element, arranged by its composer, Hitoshi Okamoto.

The single peaked at number eight in Japan and became Kuraki's twenty-first consecutive number ten single.

All lyrics are written by Mai Kuraki