[DeepL Translation - needs review] Volume 1 Introduction: I, Izumi Masamune, a high school student and a novelist, have a younger sister who is a recluse. Izumi Saori. She became my sister a year ago, but she never comes out of her room. Today, she is pounding on the floor and making me prepare meals for her. This relationship is not a "brother-sister" relationship. I want her to come out of her room voluntarily. We are a family, just the two of us. My partner and illustrator, "Eromanga-sens...
