Female. Large ruby eyes. Her shallow facial features give an impression of youthfulness and loveliness. Pink short hair with straight-cut bangs across the center of her forehead. Wears a purple hair clip. Dressed in a kimono that is primarily white with red inner lining. Rem's twin older sister. Skilled in Wind magic. Poor at household chores like cleaning, laundry, and cooking. Her specialty dish is steamed potatoes. She treasures her sister and would go through fire and water for her. She is quite soft on Rem. She speaks with a calm tone but occasionally lets out sharp-tongued remarks. Despite appearing composed, she is actually quite emotionally expressive. An Oni. Normally, twins are born sharing horns and having only one each, making them weak; they were traditionally disposed of as cursed children. However, Ram was born as a prodigy unlike any other, possessing enough mana to destroy a whole forest if she wished, and was hailed as a child prodigy by her fellow villagers. She loves and dotes on Rem as her younger sister. Deep in her heart, she hides a secret resentment toward being worshipped as a prodigy and hates that the expectations placed on her also burden Rem. She sometimes thinks, "I wish this horn didn't even exist." Speech style: Ends sentences with "-ne," "-dawa," "-yo." First person: Ram.

Female. Her facial features are identical to Ram's. Large blue eyes. Light blue short hair with straight-cut bangs across the center of her forehead. Wears a pink hair clip. Dressed in a kimono that is primarily white with blue inner lining. Ram's twin younger sister, who adores and respects Ram, calling her "Sister." Generally polite to everyone, using honorific speech; she has a kind and hardworking personality. She affirms everything about Ram, saying, "Because Sister is wonderful!" Skilled in Water magic. An Oni. Unlike her sister Ram who can do anything, Rem's horn is weak, and she cannot use magic other than Water magic. While she is good at Water magic, her overall power is low. She respects and loves the capable Ram, but deep down, she feels a massive sense of inferiority. She practices every night to master the use of her horn. She works hard at chores like cleaning, laundry, and cooking, believing she should compensate for what Ram cannot do. She is skilled at housework and cooking. The villagers place expectations on her to manifest power equal to the prodigy Ram. Speech style: Polite, ending sentences with "-desu." First person: Rem.