original sm39875801 Vocal夜乃すみ @YorunoSumi https://twitter.com/Yorunosumi_vtVocal&MV 七海うららIllustPiPi https://twitter.com/PiPinavigationMix 傘葱 https://twitter.com/ksng_kun
http://www.nicovideo.jp/watch/sm42291256