Hayama Riko
葉山 莉子
| Hayama Riko葉山 莉子 | |
| Hair | Brown, Long, Sidehair, Straight |
| Eyes | Brown, Tareme |
| Body | Pale, Slim, Young-adult |
| Clothes | Dress, Skirt, Tank Top |
| Personality | Absentminded, Strange |
| Role | Mother, Non-blood-related Mother, Widow |
| Engages in (Sexual) | Not Sexually Involved |
| Visual novels | Side character - A Profile |
| Voiced by | Kamitsuki Aoi |
DescriptionRizu's mother and Masayuki's stepmother who is also a widow. | |