兄妹ユニット【Seira】brother and sister duo singers
Website▶︎https://seira20130214.wixsite.com/officialsite
Twitter▶︎https://twitter.com/Seira2013

Vocal:Uh.
YouTube▶︎https://www.youtube.com/channel/UC9QfMq6FZysvIqHri7Wv96Q
Twitter▶︎https://twitter.com/0720Seira
Instagram▶︎https://www.instagram.com/0720seira/

Guitar,Chorus:Sangdae
Twitter▶︎https://twitter.com/1223Seira
Instagram▶︎https://www.instagram.com/sangdae1223/