After suddenly losing her parents in an accident, Ryo moves in with her father's younger brother. However, due to the debt her father left behind, she is bullied by her cousin and the younger son, suffering increasingly cruel treatment. Even her uncle gradually turns against her, making her situation worse. Amid this despair, the eldest son becomes her only hope. Drawn in by his kindness and understanding, Ryo lets down her emotional guard and surrenders completely. The consequences of this choice lead to an outcome beyond imagination.