Сэкай Сайондзи

Макото's classmate. Sitting next to him in class, she saw a photograph of Kotonoh that Makoto had secretly taken with his mobile phone. She subsequently helps him get closer to Kotonoh, concealing her own feelings for Ito. Sekkai lives with her mother and always tries to be in a good mood. Her cute appearance and bright personality attract many secret admirers, but all the boys who confessed their love to her were mercilessly rejected.