Ai Tachibana (立花 愛 Tachibana Ai) is the main character of Arina Tanemura's latest series, Neko to Watashi no Kinyobi. Ai is a typical Japanese high school girl. She enjoys chocolate and girly things. Ai's cousin is Nekota Honjo, who has a crush on her, however Ai is in love with Mia Serizawa.
During middle school Ai saved her younger cousin, Nekota when he had fainted in the snow. She had taken him to the nearest hospital. At that point Nekota later claims to have fallen in love with her then.