Milestone is BoA's first DVD single which was released on December 7, 2011 to commemorate her 10th anniversary in Japan. The song is written and composed by STY who was requested by Avex to write a so

"Meri Kuri", known in South Korea as "Merry-Chri", is a song recorded in two languages by South Korean singer BoA. A holiday-themed ballad, its lyrics were written by Chinfa Kan and BoA; production wa