安形紗綾

説明

Height: 156 cm School: Kaimei High School Class: 2-B (chapters 1-209); 3-E (chapters 210-288) Saaya Agata is a tsundere girl who is Soujirou's younger sister. She approaches the Sket Dan with the request to help her become less "tsun". She eventually begins to hang out with the group, and sometimes helps them out.