|Japanese Name||坂柳 有栖|
|Light Novel||Youkoso Zitsuryoku Shijou Shugi no Kyoushitsu e|
|Three Sizes (cm)||70 (bust) / 77 (hips) / 54 (waist)|
Arisu Sakayanagi (坂さか柳やなぎ有あり栖す, Sakayanagi Arisu) is one of the class representatives of class 1-A along with Kōhei Katsuragi. She suffers from congenital heart disease which limits her physical ability.