[Commission] Sisters of the Noble and Most Ancient House of Black (Patreon)

This story was commissioned by Dinero1121

Synopsis

Newly minted as Lord of two Ancient and Noble Houses, Harry requires tutelage in the world of pureblood politics.

Narcissa volunteers to mentor him, but their lessons soon give way to a far more intimate education in power, dominance, and desire.

When Andromeda notices the strange dynamic between them, Harry recalls the day their lessons began.