"Shiawase o Forever" (幸せをフォーエバー Shiawase o Fōebā, lit. "Happily Forever") is the twenty-ninth single by Japanese recording artist Misia and first single off of Misia's eleventh studio album New Morning (2014). It was released on CD single and digital download on September 4, 2013. The title track was written by Misia and composed by Toshiaki Matsumoto, their first collaboration on an A-side since "Hatenaku Tsuzuku Story" (2002). The song served as commercial song for the Japanese bridal magazine Zexy.