In the current society, highly intelligent robots programmed and disguised as a normal human being, commonly used by large corporations. They, unlike the common robots, had been programmed to not just have one task assigned.  Depending on the person in control, they could either be really useful or really dangerous.   A GOTTwice (kindof) fanfic.

"After a fatal accident, she lost the love of her life. Living in her own guilt and sadness, she shuts everyone out. Everyone had been saying she's lost it when she claimed that she saw her dead lover. Except one person." This is an entry to