Professor McGonagall's Proposal

A man dressed in a vivid dark-blue robe embroidered with purple azaleas opened the door and stepped into the room.

Removing his dark-blue pointed hat and shaking out his silver-white hair, the man asked, "Minerva, why did you call us all here to gather in this room?"

Professor McGonagall looked around, took a deep breath, and said, "There's something I've put up with for a long time.

Someone in this room has failed to set a good example, causing these appalling incidents to happen at the school again and again."

"Me?" The man—Dumbledore—pointed at himself.

Dumbledore was utterly baffled. The moment he saw Molly Weasley and Snape, he sorted out the logic.

Snape had innovatively used hair as genetic material to create that child.

Ron had copied him and gotten himself sent to the Hospital Wing.

But what did any of this have to do with him?

Wasn't this potion originally 'discovered' by Snape? Dumbledore still suspected that Snape had researched it so he could have a child with Lily.

What did it have to do with an old man like him, sitting in the headmaster's office and watching the drama unfold?

"How could it not?" McGonagall snorted coldly. "Because of you, Sirius developed forbidden feelings for James.

After realizing this, Lily chose to be with Snape after her resurrection.

For your own selfish desires, Snape researched the Transgender Fertility Potion.

So you and Grindelwald had a child born of love.

Snape also drew inspiration from it and created a child with Lily.

Because of you, Ron went astray as well.

Despite having a girlfriend, he became entangled with Harry.

After learning how Snape and Lily's child had been born, he chose to steal Harry's hair, wanting to have a child with Harry.

That was why Ginny beat him into