ShitsurakuenShitsurakuen.

Shitsurakuen (失楽園; literally Paradise Lost) is a shōnen manga series written and illustrated by Tōru Naomura. It follows the story of Himoto Sora, a transfer student with a sense of justice and dreams of becoming a knight. Upon arriving at Utopia Academy, she learns of a virtual reality-like game played by the male students in which they use girls as weapons in battles for status and treat them as commodities.