Wolf Girl and Black Prince, also known as Ookami Shoujo to Kuro Ouji, is a popular age gap romance manga series written and illustrated by Ayuko Hatta. The story follows Erika Shinohara, a high school girl who lies to her friends about having a boyfriend. To maintain her facade, she takes a photo of a random attractive boy and claims he is her boyfriend. However, the boy, Kyoya Sata, turns out to be sadistic and blackmails Erika into being his 'dog.' Despite their age difference and the unconventional nature of their relationship, Erika and Kyoya's bond deepens as they navigate the complexities of love and trust. Wolf Girl and Black Prince is known for its unique premise, character development, and emotional depth.