M-568 - High School Girl Kidnapping & Confinement VOL.29 [Miyuki Ayano]

A high school girl in her sailor uniform visits a hospital on her way home from school, never expecting the diagnosis to lead to an indefinite stay. She signs the papers, unaware that she will never leave this building again. Amidst the mundane hospital life, a storm of disasters strikes, leaving her questioning if she is even still alive.