[2] Seventeenth single release from KAT-TUN featuring the theme of TV series Yokai Ningen Bem starring Kazuya Kamenashi.

Regular Edition includes "Star Rider", "Act On Emotion" and "Baby B Mine" plus their karaoke tracks.

Limited Edition / Type A includes a bonus DVD featuring a music video of "BIRTH" and its making-of.

When combined with scenes of the members contemplating a small, mysterious cube, the video gives off the feel of an exciting urban adventure.

By the end of the year, Birth was reported to selling 232,280 copies and was later certified Platinum by RIAJ denoting over 250,000 shipments.