Setsuna Sumeragi

An elite girl who grew up with a gifted education. She is the type who thinks she can't help cutting small things to achieve her goals. Partly due to her upbringing, she has an intimidating and inaccessible atmosphere. She had been studying abroad for a long time, but she was worried about the current situation at Sosaka Gakuen. Her surname is different, but she is her sister to Arisu Tamasushima.