"Mikazuki" (三日月, "Crescent Moon") is the fourth single from Ayaka, released on September 27, 2006.

[citation needed] A music video was produced before Ayaka's first single, "I Believe", was even released.

In April 2009, when the Recording Industry Association of Japan created the RIAJ Digital Track Chart "Mikazuki" debuted at No.

[1] The song charted below the Top 40s until the release of her compilation album Ayaka's History 2006–2009 on September 23, 2009, when it peaked at No.

In 2010, Filipino pop singer Charice, now known as Jake Zyrus, recorded an English version of the song entitled "Crescent Moon" as part of the Japanese edition of his self-titled international debut album, Charice.