Stand Up! Sister
- Stand Up! Sister (スタンドアップ！シスター)
- Catalog Number
"Stand Up! Sister" is the fourth single released by YUKI. "Stand Up! Sister" is an acoustic rock track while the B-side, "koibito yo" has been described as a reggae number. The single reached #10 on the Oricon charts and stayed on the charts for a total of five weeks. The single sold a total of 33,000 copies.