Which poem of anime songs is a bird?

Poetry of Birds is the OP (theme song) of Key Company's first tear gas "Air". Lyrics: "Poem of Birds" Song: Lia Lyrics: Key Composition: Arranged by Dong Zi Nobukuro: The arrow of Gao Guan disappears, and the servant of aircraft cloud "sees and sends" しくてげたちつだって𝸖. Walking barefoot) in the distance このをぇたぁのからわらずず (Even after catching up with that hill, it has not changed since that day) ぃ すぎるぃだしてる (after catching up at a faster speed, I saw two people's smiles) ぃつまでも Really. しくてげたぃつだってくてててててぁ