Death end re;Quest 2

After killing her abusive father and being decided that it was in self defense, Mai a young gloomy girl is sent to a women dormitory called “Wardsworth” in the city of Liz Shoala. There she hopes to find her lost sister and her reason to live Sanae. But soon her hopes are crushed by reality, not only does she not find her but also it seems that she was never there to begin with and nobody knows about her existence. That's when she mets Ninomiya Shiina and her story begins...

Mai Toyama seeks an escape from her traumatic past. She enrolls at Wordsworth, an all-girl’s dormitory situated in the small, mountainous town known as Le Choara where it was rumored that her sister, Sanae, was last seen. Hopeful, Mai seeks to find her kin, but she soon finds terrifying inhabitants which lurk throughout the town after dark. At night, Le Choara’s streets are filled with Shadow Matter—a horrific group of menacing creatures. Around every cobblestone corner, Mai discovers that her hope of finding her sister lies beneath the long-buried secrets which haunt Le Choara.