Living together under one roof is a girl seeking affection and a robot who has no feelings. Riona lost her mother at an early age and was raised by her father. She goes to an all-girls school where she has many friends and a special "girlfriend", but her busy father is always away from home, and she feels a little lonely. One day, Riona witnesses her father having sex with "Forti," a robot he purchased as a "maid" to do the housework.......? A gem of a dramatic story that explores the true nature of humanity and human emotions! (Source: Dengeki Daioh, translated)