Their 7th major single overall! A double A-side single release! This is the first single from the newly reorganized 11-member lineup, following Kurumi Takase's graduation and the addition of new members Hana Kojima, Mano Otsubo, and Yuna Sugiyama! Limited Edition Type SP includes "Hai! Tension" as an Additional Track. It also comes with a Blu-ray containing the music video for "Hai! Tension" and interview footage with the three new members.