Everyone is surrounded by an invisible electric field, which is rotating all the time.
Ye Tianyu has been able to see this rotating invisible electric field for as long as he can remember. After years of observation, he found that the rotation of the invisible electric field is related to people's emotions. The more excited the emotion, the faster the electric field rotates.
In an accident, Ye Tianyu realized that he could use batteries to control other people's invisible electric fields...
Waste of time. . .