Shishikura Shigure-ordinary high school student who loves games for girls, figures and night anime. He, as a rule, is quite alien to most of his real environment, especially at school. Since his parents left abroad to work, his childhood friend Koomi took care of him. On Wednesday, one of the friends of Koomy was missing, and it seems too concerned. She explains Schigure that a month ago, a student of her school rushed to the train. Every Wednesday since then the girl from his school has committed suicide. She warns him not to interfere, but Shigure decides to seek Koomy's friend. Shigure turns out to be at the crime scene, where he sees a gloomy mysterious girl who says that he can take a look at the memories of people. Later, Shihur learns that she is the president of the Student Council, but why was she so arrogant in relation to the death of his classmate? Can she be involved and could Sigur stop this series of alleged suicides?