aya Sueki2020's release "AXIS" is a return to her roots in R&B. Since her debut, she has always been genre-less with her natural voice and overwhelming vocal ability, but this time, while keeping her focus on R&B, she wrote and arranged her own lyrics for the five songs, which are still rich in variety. The song "Rainbow" is a song of gratitude from a daughter to her mother as she departs from her mother.