AnswerKoi: http://en.wikipedia.org/wiki/KoiKoinobori: http://en.wikipedia.org/wiki/KoinoboriLyric: http://music.goo.ne.jp/lyric/LYRUTND48518/index.htmlMusic: Top of the world by ZEEBRA amuro, atsushi, chemistry, exile, japan, japanese, manabu, masato, oshio, tattoo, tokyo, zeebra