days

The first work that is planned for the 5th anniversary of the debut and released for 6 consecutive months. In 2020, "Pika" will be renamed to "Pikarina", and the first piece to release a new challenge will be "days", which is sung not only in Japan but also in South Korea.

Four years after the previous work "WALTZ", this work, with a completely new atmosphere of songs and lyrics, has become a powerful vocal middle number in a nostalgic atmosphere.