Poe No Ichizoku

Inside the village of Poe a mysterious noble family takes residence with their son Edgar and ill daughter MaryBelle. Edgar is quickly intrigued by Allan an heir of a transportation company, who catches his eye by almost running him over with a horse. As the story unfolds a few residents of Poe slowly begin to wonder about the new family…
Other short stories involving the main characters are included.
This is supposedly the first published BL manga.