"After throwing myself to the magma, the being that appeared from there was none other than the one that corrodes everything, "The Legendary Dragon".” Just as all the honest hard work she'd put in from a ...

My sister took away my position as the Crown Prince’s fianceé, in despair, I decided to become a sacrifice for the dragon. But somehow I was rescued by the dragon, and now we live together.

Which monster girls are featured in this book is mostly obvious from the chapter titles, but the two chapters that don't spell it out feature a dragon girl and a demon girl. A little sister dragon girl and a...