Chapter 1

Aiko who lost her father when young, was bad off. Relatives forced her to enter vocational high school, but to go to college, she chose to enter academic high school. Aiko thought studying was the only way to climb from poverty. She was worried about if someone would beat her. But she always remained second in her class. Comparing her own situation with the top student receiving expensive private lesson, Aiko felt extremely ashamed and killed herself.
People often see Aiko in the library. When studying in the library after school, she appears in front of the desk cupping her chin in her hands. Watching a student studying for a while, sometimes she talk in riddles and disappears...