Provided to YouTube by ポニーキャニオン 「Swallowtail Butterfly ~あいのうた~」from 消滅都市 · Yuki (CV: Kana Hanazawa) TVアニメ「消滅都市」ユキ(CV:花澤香菜)カバーソングシングル ℗ PONY CANYON INC. Released on: 2019-06-05 Lyricist: Shunji Iwai Lyricist: Chara Lyricist: Takeshi Kobayashi Composer: Takeshi Kobayashi Arranger: Kyouichi Miyazaki Auto-generated by YouTube.