In "Tokyo Revengers," the characters navigate issues of trust and betrayal within their relationships by constantly facing challenges that test their loyalty and faith in one another. They often find themselves in situations where they must decide whether to trust their friends or question their intentions. Betrayals occur frequently, leading to a complex web of relationships where characters must navigate their emotions and motivations carefully. Ultimately, the characters in Tokyo Revengers learn to communicate openly, confront their fears, and make difficult decisions to overcome issues of trust and betrayal within their relationships.