The Side Character’s Carefree Life

Xia Ning is dazed for a moment and gets hit by a car. When she opens her eyes again, she has transmigrated, and even has a System. She figures she might as well make the best of it. Then she checks her role. Hmm, a supporting character! Fine! But what's with everyone using her and making her take the blame? Whatever! Wouldn't it be better to stay away from the protagonists and enjoy a carefree life? But hey, you, keep your distance. We don't know each other... Until he follows her into every world. “Hmm, we don't know each other?”