Dress up as the Protagonist's Younger Sister Who Died Young [Quickly Wear It]

Su You will become the protagonist's baby sister every time she travels through time. It's a pity that they all died young in the original plot. In order to live for two more years, she accepted survival assistance from the Quick Travel Agency ——A gentle and beautiful system brother! Wow! This is really pie in the sky! What you don't want is a fool! 1. A group favorite, a warm little cookie, nothing wrong with it 2. CP system, two-way secret love + two first loves, the relationship progresses quickly Intention: Cherish the people who love you.