Morning Musume ’15 have announced they will release a new single on December 29.
This will be Sayashi Riho’s final single as part of the group. She announced she will graduate on December 31.
The release will be a triple A-side. One of the tracks on the single has been confirmed to be One and Only, currently the intro theme of TV series J-MELO (NHK World).
The single will release in six editions: three regulars and three limiteds. The limited editions come with a bonus DVD and an event lottery ticket. The regulars come with a random trading card.