Sayoko's Design in Another Code: R.
Sayoko Robbins (サヨコ・ロビンズ) , née Kitazato (キタザト), is Ashley's mother and Richard's wife. She was an aspiring scientist who worked on Another. Sayoko died when Ashley was only three years old. She was killed by Bill Edward in the year of 1994.
When she met Richard, Sayoko thought of him as a awkward man but, over time she fell in love with him and Sayoko didn't know about that kind of love before. She hang around with him more and more. Later on, she became his girlfriend, then fiancé and then married him. After that, she got pregnant and gave birth to Ashley. She took care of her and quit being a scientist and became a stay-at-home mother. Until the night of Ashley's third birthday. Bill shot Sayoko at her home for spending more time with Richard. Richard came in and found her laying on the floor with blood on her chest. Richard picked her up and in her last breath she said "He came... Another". Richard lost a part of himself when this happened. He went to find Ashley and checked the closet and touched her hand and possibly picked her up in his arms. After this, he asks Jessica to take care of Ashley and then she became Ashley's guardian. Richard continued working on Another with his former friend, Bill and completed it years later. He eventually finds out that Bill murdered Sayoko when he and Ashley were in the mine talking with him. Richard never thought that Bill was the killer. Richard says that he saw Bill near Sayoko's grave with a bouquet of flowers on his hands and he had sturn look on his face. He probably realized that Bill was in love with Sayoko.