The Northern Grand Duke's Secret Contract Official

Chapter 3
Chapter 2
Chapter 4
Chapter 2
Chapter 4
The Grand Duke of the north, Curtis Alexei, a half-dragon with a hatred for magic, is cursed with a burning desire for sex every night. Unintentionally, a wizard in search of dragon's physical essence for research, witnesses the Grand Duke satisfying his libido. The wizard suggests a secret contract that he cannot refuse.