神代 瑠璃子

Married to Hajime Kamishiro. Barren and thus cannot have children. Ruriko loves to drink and talk to men, especially Mizoguchi. 

Ruriko died of heartbreak after her newly adopted son was taken from her. All that remains, is a bottle of expensive alcohol she left for him.

In life, she was close friends to Kyouichi and his father, often thinking of Kyouichi as her own child.