Magical Girl Wants to Gain Fans

This is a strange world. There are no immortals or mages in this world, but there are magical girls. What is even stranger is that the power of magical girls does not come from hard practice, nor from love and hope, but from fans. The more fans there are, the stronger the power of magical girls. The profession of Magical Girl Operations Officer came into being. They will become the assistants of Magical Girls and do their best to accumulate fans for Magical Girls. Cheng Qianfan, a time traveler with rich self-media experience, came here and successfully passed the assessment of the Magical Girl Operations Officer. Just when he thought he could make great achievements, an unexpected surprise happened. "What do you mean, I just became the operations officer and my magical girl is about to retire?"