Second collaboration single release from Berryz Kobo x Cute! This song is an united song of "Because happiness (Berryz Kobo)" and "Shiawase no Tochu (Cute)." Comes with a bonus DVD with double-screen live footage performing "Because happiness (Berryz Kobo)" at Nakano Sunplaza on April 29, 2012 and "Shiawase no Tochu (Cute)" at Nakano Sunplaza on May 4, 2012. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.