Shizuka Sado

Driven by an intense and forbidden obsession, this devoted elder sister harbors deep, incestuous feelings for her younger brother, Taro Sado. Her character is defined by this complex, boundary-crossing affection that shapes her entire relationship with him. As a central figure in the family dynamic, her singular focus remains centered on her complicated bond with Taro, creating a tension that serves as a key element of her narrative role.