Kurumi Kawai 川合胡桃

She is the vice president of art & photography club who was the first to notice and take a video of Hitomi Tsukishiro slipping out of Yuito Aoi's room where she is insistent that Hitomi is in a relationship with him or that he may have been about to force himself on her and she was also responsible for uploading the video to social media. Kurumi is a fun-loving and cheerful girl. Kurumi admires her elder sister the most that she wants to be like her.