Ai Hayasaka is a main character in the anime series 'Kaguya-sama: Love is War'. She is the personal assistant and maid to Kaguya Shinomiya, the series' female protagonist. Known for her intelligence, resourcefulness, and versatility, Hayasaka can seamlessly adapt to various roles, whether as a diligent maid, a stylish schoolgirl, or a crafty strategist. Her multifaceted personality is complemented by her loyalty to Kaguya, often providing her with advice and assistance in her romantic pursuits. Despite her typically calm demeanor, Hayasaka occasionally displays a playful and teasing side, particularly towards Kaguya.