Yu Yu Hakusho Episode 3
Yusuke discovers that his premier rival, Kazuma Kuwabara, has been forced by a teacher into a policy of strict nonviolence for a week — otherwise his best friend risks losing his job and being unable to support his family. Yusuke is forced to watch Kuwabara bear the attacks of bullies without being able to respond.
Source: Wikipedia
Yu Yu Hakusho Episode 3 – Kuwabara: A Promise Between Men
