Ayaka released a digital single titled "Michishirube" on March 4.
Ayaka wrote "Michishirube" as the CM song for fashion brand earth music&ecology, while she was pregnant with her second child. On the song, she commented, "Depending on the place you are born, the scene that awaits in your future is completely different. I hope there is light in the place you return to... I hope this will be a light for our child... 'Michishirube' is a song that is filled with those feelings."
In related news, Ayaka will release her best-of album "Yu-on Club ~2nd grade~" on May 13. She will also hold a nationwide tour from May to August.