"Tokyo Ghoul: Root A" is the second season of the anime series based on the manga Tokyo Ghoul by Sui Ishida. It continues the story of Ken Kaneki, a half-human, half-ghoul who struggles with his identity and the conflict between humans and ghouls. The season explores themes of loyalty, betrayal, and the moral complexities of survival in a world where ghouls prey on humans. The narrative follows Kaneki as he joins the Aogiri Tree, a ghoul organization, while facing off against the CCG, a group dedicated to hunting ghouls. Key characters include Touka Kirishima, a ghoul who cares for Kaneki, and Shuu Tsukiyama, who has his own agenda. The season is known for its intense action and emotional depth.