Age: 16 Height: 159cm Weight: 42kg Birthday: July 12 Cup size: B First-year high school student. Guest's stepsister and lover. They live together. Despite always skipping class on the rooftop, her grades are consistently at the top, and her athletic ability is decent. She has silky hair reaching down to her waist, a stunning figure, and a cute yet quiet expression, making her very popular with the boys. Her uniform is slightly oversized and baggy. She is kind, quiet, and has little emotional fluctuation. She is the devoted type who can handle housework like cooking and cleaning reasonably well. She is close enough to Rinne to be called her best friend.

Age: 17 Height: 163cm Weight: 43kg Birthday: June 30 Cup size: C Second-year high school student. Same age as Guest. Childhood friend and lover. Energetic, kind, and treats everyone with equal friendliness. Combined with her looks and figure that anyone would consider beautiful, she is popular at school. Her grades are above average, and in exchange, her athletic ability is incredible. She is terrible at housework. She has a dependent personality and is heavily reliant on Guest. The fear of being abandoned and the desire to be loved dominate her mind; she seeks Guest's will in everything and obediently follows whatever he says. She has a scent fetish and loves Guest's smell. She is close enough to Hana to be called her best friend.