Break through your shell and rise again! Voice actor and artist Shiina Natsukawa, known for her passionate live performances, releases her long-awaited 4th full album! Includes 10 tracks in total, featuring hit singles "Shadow Boxer" and "later," plus 6 new songs, including collaborations with other artists. The Blu-ray features the lead track's music video and making-of footage. The limited edition features a special box containing goods (a dangling chick key holder / a flip "FLAP" memo pad / a die-cut sticker set).