"In My Soul/Snow Song from Mars & Roses" is the thirteenth single by Japanese recording artist Misia.

It was released on December 3, 2003 as the second single from Misia's fifth studio album Mars & Roses.

"In My Soul/Snow Song from Mars & Roses" debuted on the Oricon Daily Singles chart at number 8 on December 2, 2003 and climbed to number 5 two days later.

[1][2] The single peaked at number 7 on the Oricon Weekly Singles chart with 26,475 copies sold in its first week.

[3] It charted for nine weeks and sold a total of 48,669 copies.