Hiroki lives by himself since his parents are busy working at an android development company. They sent him the latest model android Alicia for testing and also for her to support him at home. One day when walking home from school, he came upon a lost android. She was innocent like a child without much knowledge about the world around her. She would laugh, cry and get hungry like a human… she was unlike any android he had seen before. Her name was Sara and she wanted him to be her master. From then on, she started to have feelings for him, and Alicia also started experiencing emotions that she never had before. [From Hau~ Omochikaeri!]