My Neighbors Will Not Grow Up

31-year-old Lin Yang, who is good at work but is an empty-nest young woman, living in a backwater of life without any waves. 24-year-old Lu Zhengan, the younger brother next door who grew up together, suddenly returned from his studies and broke into Lin Yang's world. 24-hour all-round contact completely disrupted Lin Yang's life. Under Lu Zheng'an's warm care, Lin Yang's mental age "reverse growth" turned back into a little girl. The two held hands, fought monsters and passed levels together, and ran towards happiness. From younger brother to boyfriend, from growing up together to growing old together, he grew up as an adult for her, learning responsibility and responsibility, and she turned back into a little girl because of him, learning to show weakness and act coquettishly. Although life is hard, the good thing is that you are the sweetheart.