Chou HAPPY SONG (超HAPPY SONG; Super HAPPY SONG) is the second single of the fusion unit made of Berryz Koubou and ℃-ute called "Berryz Koubouｘ℃-ute," or "BeriKyuu" for short. This single was created when Tsunku mixed together the tracks "Because happiness" from Berryz Koubou's Ai no Album ⑧ and "Shiawase no Tochuu" from ℃-ute’s Dainana Shou "Utsukushikutte Gomen ne". Although the song was originally planned to be revealed at Hello! Project's 2012 Summer Concert, fans discovered this new song in April 2012, and it was subsequently played on YouTube. A digital version of this single was released on iTunes on April 28, 2012, and the physical copy of the single was released on June 20, 2012.