Takemichi's interactions with different characters in the series "Tokyo Revengers" challenge his beliefs and values by exposing him to different perspectives, ideologies, and moral dilemmas. For example, his encounters with characters like Mikey, Draken, and Kisaki force him to reassess his notions of loyalty, friendship, justice, and sacrifice. These interactions push Takemichi to confront his own weaknesses and insecurities, leading to personal growth and development throughout the story.