Anime is populated with dynamic characters that create memorable experiences, but it's often the deuteragonists—the crucial second leads—who add depth and richness to the story. These characters frequently contrast with or complement the protagonist, influencing the narrative in unique and compelling ways.

By definition, a deuteragonist is someone who holds the second most important role in a narrative, after the protagonist and before the tritagonist. They can either work with the main character or against them. Furthermore, a deuteragonist can also fill the role of a female and main antagonist, and this is actually common in many anime and manga.

Aki Hayakawa Chainsaw Man

Anime has no shortage of dark-haired introverted, but while Aki Hayakawa fits this bill, he hides way more complexity underneath. He is introduced as someone who detests Denji, but after he is assigned to take care of him and Power, he slowly manages to...