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Summary
Official Details
High school senior Yotaro has spent his entire life believing he was an only child, unaware of any siblings or extended family. His understanding of his own identity is completely upended when he is reunited with his biological mother and learns the astonishing truth about his lineage. Rather than being alone, he discovers that he has nineteen sisters ranging in age from newborn to eighteen years old, fundamentally altering his perception of family and belonging. Thrust into this overwhelming new reality, Yotaro must navigate the complexities of living with a massive household of female siblings he never knew existed. The story follows his adjustment to this chaotic yet heartfelt domestic environment as he transitions from solitude to becoming part of a large, loving family. This sudden expansion of his personal world presents both emotional challenges and heartwarming moments as he builds relationships with each sister while redefining what home truly means to him.
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