Title: 花と散るらん (You shall wilt with the flower )This is the kanji, romaji, and translation of the song. Translation is done by me; sorry if there are mistakes or a better translation had been done before!
Artist: 天上天下 (Rindou Tsubaki, Hoonoki Tooya, Madarao Tatsumi, Kakitsubata Aoi) || Ono Yuuki, Minegishi Kei, Saitou Souma Kimura Ryouhei
Japanese lyrics from here.
Full version because now I-Chu's CD single "アイ★チュウ creation 08.天上天下", is released.
Please don't re-post anywhere else.