Appearance
In middle school, Sae has short dark brown hair tied in pigtails. She wears a uniform consisting of a white blouse with white-striped blue collars with a red ribbon.
When she got assaulted by a stalker, she had scrapes over her face and a large bruise on her left side of the face.
Personality
Only seen in a few flashbacks, she seems to have been a relatively friendly demeanor, going through the death of their parents and help from her brother has given her the drive to continue her education.
This all changes after she was assaulted and becomes more vengeful going as far as to saying that she wants her attackers dead.
History
Losing her parents at a young age meant that her and her brother had a hard life and she seemed to have taken it hard, but with his support she was shown to have grown up and was attending high school. In episode 8 it is shown that she was attacked and raped by an unnamed assailant and unknowingly saw Tatsumi watching thinkI got he was a partner. After the attack this leaves her hateful and broken going as far as telling her brother that she wants her attackers dead. After her brothers game she is not seen again and her fate after the murders leaves her fate unknown.
Quotes
"I want them dead"
"I saw another one, he just stood there and watched"