| Aizen Rio愛染 理緒 |
| Measurements | Height: 167cm, Bust-Waist-Hips: 96-57-90cm, G cup |
| Hair | Curtained, Cyan, Long, Parted in Middle, Ponytail, Shoulder-length, Sidehair, Spiky, Spiky Bangs, Spiky Bun |
| Eyes | Blue, Tareme |
| Body | Big Breasts, Pale, Slim, Young-adult |
| Clothes | Apron, Bracelet, Chinese Dress, Choker, Court Shoes, Decorative Belt, Evening Gloves, Hair Tie, Headband, Maid's Dress, Maid's Headdress, Naked Apron, No Panties, Pendant Necklace, School Uniform, Skirt, Sleeveless Turtleneck Sweater, Slit Dress, Thigh-high Stockings, Waitstaff Uniform |
| Items | Dual-Wield Weapon, Twin Blade Sword |
| Personality | Mature, Watashi |
| Role | Homeroom Teacher, Maid, Popular, Waitstaff |
| Engages in | Cosplay, Drinking, Fighting |
| Visual novels | Main character - Maid-san to Ookina Ken |
| Voiced by | Mirau |