About “Shitsurakuen”
Shitsurakuen is a shōnen manga series written and illustrated by Tōru Naomura. The story follows Himoto Sora, a transfer student with a strong sense of justice who dreams of becoming a knight. After arriving at Utopia Academy, she discovers a virtual reality-like game played by male students, in which girls are used as weapons in battles for status and treated as commodities. When she witnesses one of these girls being abused, she intervenes and becomes the first female participant in the game. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.