"Happy Forever") is a song recorded by Japanese singer Misia, from her eleventh studio album New Morning.

[1] The song was used in a promotional campaign and televised commercials for the bridal magazine Zexy,[2] starring thirty owarai comedians and Airi Matsui.

The title track was written by Misia and composed by Toshiaki Matsumoto, their first collaboration on a single since "Hatenaku Tsuzuku Story" (2002).

These flashbacks at interspersed between past and present shots of guests, portrayed by several actors and comedians, including Kazuya Kojima and Asako Ito,[8] showing us their involvement in the shaping of their love story.

Omiya jokingly commented that she wanted to create a music video that would entice people to get married so they could resolve Japan's declining birth rate.