機動戦士Ζガンダム
In March 2006, the song "Love Letter" was released, because it included the theme songs of Mobile Suit Zeta Gundam movie "Love is the Pulse of the Stars". It reached number nine on the second counting week of March 2006, with sales of 17,057 copies. It charted for 7 weeks, and sold over 28,000 copies.