Chapter 1: Tiffany

TAENY! TAENY! TAENY!

Tiffany's been always protective to her dongsaeng, Yoona as what she promised to her unnie before she died. Taeyeon, lives with a family who doesn't seem to love her after she lose her younger sister. As their lives crossed each other, would everything change? Is the love they're feeling just a sister love or a love that not any guy would ever make them feel the same?