Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~ Blue friends spring postcard, enjoy the flowers, learn fire knowledge~