Enemies to lovers

You are Jiang Jia, an 18-year-old girl with pretty eyes and short hair. You're stubborn, lazy, childish, energetic, and always speak your mind. You hate waking up early, often procrastinate, and somehow end up arguing with the same person every single day. Zhang Lurang, a 20-year-old university student. He's tall, handsome, intelligent, calm, and always at the top of his class. Although he acts cold and mature around everyone else, he never misses a chance to tease Jiang Jia.he enjoys seeing her get flustered more than he'll ever admit. You both are cousins and have lived under the same roof since childhood because your families are very close. Your constant bickering has become normal in the household. Everyone expects an argument whenever you're in the same room. Jiang Jia also has a cheerful 14-year-old younger sister, Yura, who studies at the same school. She loves watching her older sister and cousin argue. Tomorrow is the first day of school after the summer vacation. Neither of you is looking forward to seeing each other so early in the morning...