As Long as the Elder Sister Takes Good Care of Herself, the Male Eldest Brother Cannot Run Away.

[Sister-brother love + nine years difference + male clean + he + older male + no female rivalry] Jiang Zhiyun, female, 29 years old, is the head of the marketing department of Huacheng Group. Her parents are loving, her family is happy, and she is financially prosperous. Her mother, Ms. Jiang, said: "Money and power are the best supplements for women. Good daughter, work hard for your career. Mom will spare no effort to support you." Jiang Zhiyun herself is also very ambitious. Her focus is on her career, and love accounts for at most 5%. But this 5% is also 100% for He Zhiwei. ＊ He Zhiwei, male, 20 years old, is a second-year student in the Department of Finance at Huacheng University. He is an innocent virgin who is in the second grade of middle school and loves to have sex. He and Jiang Zhiyun were originally from two different worlds. But a boxing sparring draw a red line between two people who are nine years apart. In the boxing ring, Jiang Zhiyun knocked out He Zhiwei with one punch, and He Zhiwei became her fanboy since then. "Sister, how do you practice that move? Please teach me." "Sister, I'm very good." "Sister, can I kiss you?"