Aria Kisaki is the main heroine of the anime and manga series '2.5-jigen no Yuuwaku.' She is a strikingly beautiful and charismatic model who becomes involved with the protagonist, blurring the lines between the two-dimensional world and reality. Aria’s mysterious presence and captivating personality make her the center of attention, often creating complex emotional dynamics. Her role is pivotal, as she challenges the protagonist’s perceptions and helps drive the series’ exploration of romance, fantasy, and the nature of idealized love.