| Sada Yuuka佐田 裕香 |
| Hair | Curtained, Long, Parted in Middle, Violet |
| Eyes | Violet |
| Body | Big Breasts, Mole, Nail Polish, Pale, Young-adult |
| Clothes | Garter Cupless Corset, Halterneck Dress, Lace Band Thigh-high Stockings, Lace Garter Belt Stockings, Open Cup Bra, Sandals, Slave Collar, Sports Swimsuit, Wedding Ring |
| Role | Mother, Wife |
| Engages in | Infidelity |
| Visual novels | Main character - Harame ~Ore wa Kono Gakuen de Fukushuu o Nashi Togeru~ |
| Voiced by | Morikawa Youko |