Hayasaka Ai is a supporting character in "Kaguya-sama: Love Is War." As Shinomiya Kaguya's personal assistant, she is highly capable, intelligent, and skilled at anticipating Kaguya's needs. Hayasaka has a serious demeanor but also a mischievous side. She undergoes character development and forms close friendships while questioning her own desires. She works for Kaguya in secret.