Limit 500 words. Feng Yu was born with brain dysplasia due to carelessness in early pregnancy. The Feng couple had no choice but to give birth to a second son, Feng Rui. Fortunately, Feng Rui seemed to like this brother very much and took good care of him. The Feng couple were relieved about this. The originally pure brotherhood changed as Feng Rui grew up. A strong possessive desire occupied Feng Rui's mind, and human ethics tortured Feng Rui, but everything would always be fine.