Following the success of "
Minna ga Minna Eiyū",
EMI Records announced Ai's 2015 greatest hits album,
The Best would be reissued. The label also released "I'm the Champion", a digital single originally intended as the lead single for
Wa to Yo which failed to enter any charts. In September 2016, EMI Records announced Ai would provide a theme song for
Storks' Japanese release. Titled "Heiwa", the song was originally released digitally as a promotional single. A few weeks later, a triple
A-side maxi single was announced by EMI, set for release on Ai's birthday. Another set of compilations titled
The Feast. Best was announced to be released the same day. "Happy Christmas" was used for a commercial tie-in starring
Emi Takei. "Miracle" served as the theme song for
Fuji TV drama
Medical Team Lady da Vinci no Shindan. == Live performances ==