KAT-TUN brings the 29th single. "EUPHORIA" is provided for TV series "The High School Heroes" as its the main theme song. This edition comes with a bonus Blu-ray featuring a music video for "We Just Go Hard feat. AK-69" and making-of. Also includes a 12-page lyrics booklet. Cover artwork is different from Type 2's, Type 3's, and Regular Edition's.