My Assassin Is a Snake Demon

Owen Ford's vision is damaged after a car accident. He feigns blindness. Crystal White breaks in to silence him. Owen pretends to be both blind and mute, she moves in with him. After they fall in love, Owen discovers that she is his pet white snake. Crystal White says, "You played with me, now you have to take responsibility!" This romance between an assassin and a snake demon is explosively sweet.