The Man-Hater - S1.E22

A career woman, Kariya Asako, is harassed by her boss and Moguro arranges for him to be fired for sexual harassment on a train. In return the Kariya must focus on her work and not become involved with a man, but she does. When Kariya's new boyfriend surprises her on a railway platform, she overreacts and accidentally pushes him in front of a train.