[Volleyball Boy] My Brother Is Too Cheap. Can I Return It?

When Gong Yoo and Gong Zhi were 8 years old, they decided to accept their mother's suggestion. They were reluctant to have a younger sister, as long as she was obedient and didn't compete with them for food... When they were nine years old, they welcomed a fat sister who weighed 8 pounds at birth. My sister is very well-behaved and doesn't compete with them for food, and she doesn't like to talk to them either. People always ask my sister if she hates her two brothers. My sister nods and says, "Yes, they are so annoying." "Quick! Pass it on, Gong Qiuna likes his brother very much." It mainly writes about the daily interactions between Gong Shuangzi and Gong Sister during their growth, spanning 21 years. There are emotional lines between the twins and their sister interspersed in the middle, but it is still based on family affection and supplemented by love. The younger sister is cold on the outside but hot on the inside. She says she hates her brother, but actually loves him very much. At the same time, she also feels a deeper blood bond under the guidance of her brother and sister-in-law. Intention: blood bond