Nirasawa Mariko
韮沢 茉莉子
| Nirasawa Mariko韮沢 茉莉子A | |
| Measurements | Height: 160cm, Bust-Waist-Hips: 92-72-90cm |
| Birthday | 6 June |
| Hair | Brown, Long, Parted to Side |
| Eyes | Blue |
| Body | Adult, Mole |
| Clothes | Clothing with Ribbons, Garter Belt Stockings, Hair Tie, Kimono, One Piece Swimsuit, Pendant Necklace, Skirt, Wedding Ring |
| Role | Aunt, Mother |
| Visual novels | Main character - Mariko-sanchi no Seijijou ~Oba-san wa Boku no Mono~ |
| Voiced by | Shion Miyabi |