Album release from A.B.C-Z. All the five members participated in production of this album. This edition includes a bonus DVD with a music video for "Shower Gate," its making-of, behind the cover photo shooting, and a dance lecture movie (subject to change). Comes with a 20-page photo book (A) and an application card (A) (valid only in Japan). *Contents of photo books included in the limited edition A and B are different from each other.