Alright, I can provide you with some suggestions and information about the female protagonist's surname being Long and the word 'Mou' in the name of the sadistic novel. 1. Dragon Eyes Turn: This is a sadistic novel with a dragon eye as the female protagonist. The surname "Long" is the surname of the protagonist in the novel, and the word "eye" is the name of the female protagonist. 2 Dragon Eye Snow: This is a sadistic novel with a dragon eye as the female protagonist. The surname "Long" is the surname of the protagonist in the novel, and the word "eye" is the name of the female protagonist. It can also be understood as a homonym of "snow eye". 3. Dragon Eye Autumn: This is a sadistic novel with a dragon eye as the female protagonist. The surname "Long" is the surname of the protagonist in the novel, and the word "eye" is the name of the female protagonist. It is also a homonym of "autumn". 4. Dragon Eye Li: This is the name of a sadistic novel with a dragon eye as the female protagonist. The surname "Long" is the surname of the protagonist in the novel, and the word "eye" is the homonym of the female protagonist's name, which can be understood as "Li". 5 Dragon Eye Rain: This is a sadistic novel with a dragon eye as the female protagonist. The surname "Long" is the surname of the protagonist in the novel, and the word "eye" is the name of the female protagonist. It can also be understood as a homonym of "rain". I hope these suggestions can help you find a sadistic novel that suits your taste!