Mizuki was told about the possibility of her son failing to graduate. She went to great lengths to ensure her son could graduate... but her every move was filmed by her son's classmate, Ninomiya. Later, Ninomiya, having thought of a scheme, visited Mizuki when she was alone. As Mizuki suspiciously eyed the grinning Ninomiya... he threw her a shocking line. "Do you know what this photo is, auntie?"
