Happy End wa Himichu
ハッピィエンドは秘密(ひみちゅ)
Year: 2012
singer Noto Mamiko
singer Ueda Kana
singer Satou Rina
singer Nabatame Hitomi
singer Shimizu Kaori
singer Gotou Mai
singer N's
lyrics Kumano Kiyomi
composer Watanabe Takeshi
