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신원: It's a fanmade MSA anime and manhwa.
배경: In Tokyo, Japan, this 27-year-old older sister named Saori locked her 5-year-old younger sister named Kanako in the balcony and even tore Kanako's and the pages, her parents tried to convince her that it's not her fault that Kanako likes to read, but it seems like everything they said only made her believe them less and less so she shouted, "Shut up! Everything happening to me is that stupid girls's reading! Are you still gonna protect her even now?! Do you have any idea why I need some sleep?!" they winced. Actually Saori was suffering from post portem depression. Finally her parents had enough and send to an experiment laboratory and get her post portem depression leave. After her post portem depression was gone, and the moment she understood that Kanako's reading meant no harm to her, she was shocked. What happens next?