Li Huanran is a hard-working graduate student. His daily job in the laboratory is to be a slave to his Ph. D. Brother, inserting guns, taking out the trash, clearing the table, cleaning up the mess, and so on. However, when the doctor's brother became her boyfriend, the situation still did not improve, and she still acted like a bitch for him. Li Huanran couldn't stand it anymore, broke up angrily, and then woke up one day and suddenly found that he had become his senior brother's doctoral supervisor? ? ? Hahaha, ex-convict, you are in trouble!
Intention: Positive and independent life