Takemichi is motivated to seek forgiveness and redemption for himself and others primarily because of his desire to protect those he cares about and make amends for his past mistakes. He is driven by a sense of responsibility and love for his friends, and wants to ensure their safety and happiness by righting the wrongs of the past. Additionally, Takemichi often feels guilt and regret for not being able to prevent certain events, and seeks redemption as a way to find peace within himself and create a better future for everyone involved.