Sachiko Juraku

Sachiko is an extremely sadistic and psychopathic individual who has no empathy for others' sake. She enjoys harming people both physically and mentally to the point of completely breaking their identity as humans, keeping Mikura Sado (Sachiko's personal housepet) on a lead all the time. Because of her twisted nature, Sachiko finds watching how strong-willed and idealistic people reach their breaking point more satisfying, which is a reason why she wanted Mary Saotome to become her second personal housepet. Sachiko desiring Mary as her puppet While she adores being served obediently, it seems that Sachiko prefers rather humiliating someone who doesn't wish for her domination, another proof of her sadism. As a gambler, Sachiko is incredibly skilled due to her high perception of her opponent's movements and reflexes. She's very intelligent and calculating, making her a dangerous enemy. Just like the rest of the Student Council, she shows a great interest in good gamblers, wishing to see more of them within the academy.