A single family photograph. For Kano, it was a fleeting moment of happiness. Five-year-old Kano endured daily abuse from her mother, never allowed to leave her room. One day, her mother brought home a man, saying, "Here's your new daddy." Then, her younger sister, Rino, was born, but in addition to her mother's abuse, she also began to suffer violence from her father. Her father abandoned her mother, and her mother left, abandoning her two young children. With no one to turn to for help, the sisters faced a life-threatening situation due to hunger and loneliness.
From neglectful parents to a children's home. A story depicting the harsh fate of two young sisters!!
(Source: Bunkasha, translated)
— Description from AniList community (anilist.co).