Cain is also known as Sano's adoptive father and takes a very 'special' interest in him. In the bonus content, Rire seems to have taken interest in Sano, calling him a 'good snake'.Ĭain is protective of Sano for unknown reasons as he tries to stop Rire from interacting with him. It is implied that he is prone to jealousy, as the MC will experience if they choose to home with Akira in the beginning of the route and subsequently finding themselves on Sano's operating table. He enjoys it when an individual is completely and entirely reliant on him and when he becomes attached to an individual, he will go to extremes to maintain that reliance, including removing the victim's limbs and replacing them with doll-like prosthetics. However, Sano also wants his captives to last as long as possible and when a captive makes a reasonable request, he's likely to fulfill it should the victim have been cooperative up until that point. Cooperation from a victim is appreciated and often rewarded. Sano likes to feel in charge of a situation and like he has power over his captives. But if you get on his good side, he'll warm up. Sano seems rather cold when you are first kidnapped. Sano, at one point in his childhood, accidentally bit Akira and nearly killed him (since he was only a child and extremely inexperienced with how to control the venom in his fangs).

From his creator's page, his past was rather complicated. Sano is born as a half demon and half human. In his naga form, the white parts of his eyes turn black and his tail is white. A scar runs across his nose and his tongue is black. He has piercings on both ears, on the top of his ear is a cuff, and another piercing on the bottom of his ear. Sano's eyes do not match his right eye that hides under his black hair is blue, the other is grey.

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