This game tells the story of a family that lost the mother in an accident when the daughter was a young child. The father of the child is a robot technology genius. Time passes and the young girl (Hiiragi) goes everyday to study at school, and someone hires her father to make a maid robot so first he decides to create a prototype and see how it will work in his own house.

He got one month to collect the data for the job, so this is where the game begins. The player has to educate the robot maid or even help her with the housework. The robot maid will react different depending of the player choices and he can also choose to go to the town and make different activities with her.

[edited from SNESorama]