Một Đêm, Mọc Sừng Mọc Đuôi

My brother's rival, Leon, took my virginity—and made me grow horns and a tail! I can't let my brother find out. I try to avoid Leon, but he keeps searching for his one-night stand. As he gets close, I fall for him. Obstacles keep piling up. Can we be together? What if my brother finds out?