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Manatsu no Suibun Hokyuu
真夏の水分補給
On an extremely hot summer day, Uzumi-chan finds her beloved older brother collapsed from dehydration. Worried about his condition, she rushes to his side and decides to help him recover by offering him some special thirst-quenching "beverages." As the heat continues to rise, their interaction takes an unexpected turn, blurring the lines between innocent care and deeper desire. The sweltering atmosphere amplifies their emotions, leading to a moment that changes their relationship forever. What begins as a simple act of kindness soon becomes something far more intimate, as Uzumi-chan explores new ways to keep her brother hydrated and comfortable in the oppressive heat. With each passing moment, the boundaries of their sibling bond are tested, revealing hidden feelings and unspoken tensions that simmer beneath the surface.
