In "Tokyo Revengers," the characters cope with feelings of loss and grief in various ways. Some of them rely on their friendships and bonds with others to find support and solace during difficult times. Others channel their emotions into seeking revenge or fighting for justice. Additionally, some characters find healing and closure through self-reflection, growth, and personal development. Overall, the series demonstrates that everyone processes loss and grief differently, and the characters' coping mechanisms reflect their unique personalities and experiences.