"Mitsuyubi" (蜜指〜ミツユビ〜) is a single by Japanese rock band SID, released on September 26, 2007, by Danger Crue Records.

The regular edition featured the CD with the title track and the B-side Chiisana Shiawase (小さな幸せ), as well as a photo booklet.

The limited editions, in addition to the CD, came with a DVD recorded at a show on the Re:play tour and a bonus video.

[5][6] Sarah from Jame World described the song as having an "jazzy, upbeat tune", while the guitar solo would be a stylistic change to rock'n'roll that "doesn't feel at all misplaced".

[7] Regarding "Chiisana Shiawase" (小さな幸せ), CD Journal described it as folk rock, also described this way by Jame in other words: Sarah cited enka-inspired vocals and praised the guitar melody.