No one really knows who you are. '' The place where Alice, who had forgotten everything except the name, woke up was a closed school. The key to knowing the past that we have found among girls who are not searching for the reason why they are here and the rules that should not be associated with the outside world, and special abilities that are unique to themselves. Should I choose ignorance or the truth behind the thorns? A story of a girl who is going for a bright place. What do you think about this manga?