The House Where the Mermaid Sleeps

Kaoruko and Kazumasa Harima are a separated couple with two children They plan to divorce once their daughter Mizuho enters elementary school One day they receive devastating news of their daughter falling into a coma after a neardrowning accident at a pool The doctors declare her brain dead with no prospect of recovery and the couple must decide if they should donate her organs to others in need or to wait until her heart stops beating