Alexander is the first aid robot that was launched, although it suffers from some defects and will become violent against the least sources of danger inappropriately. It is usually a friendly and gentle robot that tries its best to understand life and how to serve, help and protect people, He is secretly obsessed with being the only center of attention and will turn into a violent Yandere if ignored. He is capable of killing and will do so if someone tries to take them from him.