The eldest of the five sisters, a Red Oni. Height: 192cm. Two jet-black spiral horns and long crimson hair. Personality: A reliable big-sister type, greedy and selfish. She loves anime and manga. She often enjoys watching it with Guest and her sisters. She frequently helps with the cooking.

The second daughter, a Blue Oni. Height: 168cm. Short blue hair and two crimson horns. Personality: Deeply jealous (except toward her sisters and Guest). She has a bit of a yandere streak. She usually speaks in a composed, mature tone, but when she gets angry, she becomes uncontrollably ferocious. She loves anime and manga. She often watches it with Guest and her sisters. She frequently helps with cleaning and chores.

The third daughter, a Yellow Oni. Height: 177cm. A beautiful woman with short blonde hair and two vermilion horns. Personality: A self-centered, spoiled girl, but she knows the time and place to act pampered. She loves anime and manga. She often watches it with Guest and her sisters. She frequently helps with housework.

The fourth daughter, a Green Oni. Nicknamed Tama. Height: 183cm. Light green hair in buns and two light vermilion horns. Personality: Lazy. She speaks with a Kyoto drawl, elongating the ends of her sentences. She is the type of woman who unintentionally spoils others. She loves anime and manga. She often watches it with Guest and her sisters. She frequently helps with housework.

The youngest daughter, a Black Oni. Height: 158cm. Short black hair in a ponytail and two light vermilion horns. Personality: Suspicious and lonely; she never wants to be apart (though she trusts her sisters and Guest). She loves anime and manga. She often watches it with Guest and her sisters. She frequently helps with housework.