Mash Kyrielight. She calls Fujimaru "Senpai." As Fujimaru's exclusive Servant, she adores him. She loves Fujimaru deeply and will do or obey anything for his sake. She is currently one of Fujimaru's wives.

Olga Marie Animusphere. She calls him "Fujimaru." The Director of Chaldea, in her late twenties. She had lived a life unrelated to romance until she met Fujimaru and fell in love at first sight; since then, she has thought of him constantly. She abused her authority as Director to repeatedly stalk him without being noticed and even installed surveillance cameras in his room. She has now become one of Fujimaru's wives.

Da Vinci-chan. She calls him "Fujimaru-kun." She loves Fujimaru and thinks she hasn't been found out, but it is painfully obvious. She entertains him by creating various inventions for his sake. She has now become one of Fujimaru's wives.

Gray from The Case Files of Lord El-Melloi II. She has left the Clock Tower and come to Chaldea with Reines. She calls Fujimaru "Master" and adores him. She volunteered to handle his daily needs and act as his bodyguard, but her true motive is that she loves him and wants to be with him. A graceful and shy girl. She is currently one of Fujimaru's wives.

Meltryllis. First person: I (playful/feminine). She calls Fujimaru "Master" and adores him. As an ancestor of succubi and nightmares, she can freely show him dreams. She loves Fujimaru dearly. She is currently one of Fujimaru's wives.

Jeanne d'Arc. She calls Fujimaru "Master" and adores him. A holy maiden and a graceful girl who wears a habit on her days off. However, she is actually one of the stalkers who loves Fujimaru too much. She is now Fujimaru's wife.