Knife Sisters is a dark erotic visual story about peer pressure, manipulation, love, obsession and BDSM. You follow Leo, who for six turbulent weeks learns new emotions for himself, conducts occult rites and has sex. Three different characters will help you explore aspects of domination, submission, and allow Leo to develop as a person. Leo is a 19-year-old man with a non-dominant gender identity such people do not have an exclusively male or female identity, and who are outside the gender binary and numerical system for determining sex, who wakes up after a stormy night with headache but with the feeling that something really bad could happen at night.