In the anime, the theme of revenge is addressed through various characters' motivations and actions. The series showcases how seeking revenge can have profound consequences on both the avenger and those around them. It delves into the moral dilemmas that arise when characters pursue vengeance, exploring the emotional toll it takes and the potential for a cycle of violence to perpetuate. The anime illustrates how revenge can consume a character, transforming them into someone unrecognizable as they are driven by their thirst for retribution. However, it also emphasizes the alternative paths of forgiveness and understanding, highlighting that letting go of hatred can lead to personal growth and a sense of closure that revenge may not provide. Overall, the anime offers a nuanced exploration of revenge, portraying its complexities and moral implications in a thought-provoking manner.