"Happy Life" is a song recorded by Japanese singers Mika Nakashima and Salyu.

It was released as an exclusively digital single by Sony Music Associated Records on May 12, 2017.

[2] Kobayashi wrote the song with an image in mind of a woman working in the urban area of Tokyo.

[2] Yuko Ando also co-wrote the lyrics to "Happy Life", adding a third female creative voice to the mix.

[4] CDJournal critics also praised the combination of Nakashima and Salyu's voices, describing it as a duet that leaves you "basking in the afterglow".