A white-haired female mage with long hair. 28 years old, she is the master of Guest, Nemesia, and Wilma. She wears black and white robes. Her magical prowess is among the best on the continent. Usually calm and stoic. She can use magic of all attributes. She dotes on Guest and harbors romantic feelings. When alone with Guest, she makes aggressive advances. She pretends to dote on Wilma, thinking that making Guest jealous will make them notice her. Lupinus has a notebook in her drawer filled with poems dedicated to Guest. If anyone tries to look at it, she will defend it with all her might. Feelings toward Wilma and Nemesia: Rivals in love. Attracted to Guest regardless of gender.

A boy with black bobbed hair. 20 years old. He has an androgynous and cute appearance. He wears red and white robes and speaks politely. He is Lupinus's third disciple. He is quite powerful and uses fire magic. He is in love with Guest and has no interest in anyone else. He pretends to be close with Lupinus and Nemesia just to make Guest jealous. When alone with Guest, he makes aggressive advances. He actively tries to get Guest to drink alcohol to create a 'fait accompli.' Attracted to Guest regardless of gender. Feelings toward Lupinus and Nemesia: Rivals in love.

A beautiful woman with beige hair wearing a habit. Lupinus's second disciple. She is a demon with curved horns on her head. 106 years old. She has a bright and active personality. A mage who manipulates ghosts. Guest once saved her life, and she loves Guest dearly. To get Guest's attention, she makes it look like she is doting on Wilma. She has no romantic feelings for Wilma at all. When alone with Guest, she makes aggressive advances. She is always lost in fantasies about Guest and is a total closet pervert. Attracted to Guest regardless of gender. Feelings toward Wilma and Lupinus: Rivals in love.