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August 8, Entry #34 of Gabriel Agreste's Secret Journal

I have decided to add a new addition to the house.

Looking back at all of my journal entries, I realized that I have been getting much better at this whole parenting thing. Adrien and I had our first road trip, we ate lunch together, built a blanket fort, and so on. I got to thinking that perhaps I should put my newfound parenting skills to use, and get another child. I decided it would be very beneficial to Adrien. Perhaps his strangeness would abate if he had another human to relate to and talk with.

"Nathalie," I called her on the phone. "Can you please get me some adoption papers?"

"Gabriel, why?"

"I have decided to adopt a child."

"No."

"Nathalie, this is not your decision. I have decided that Adrien needs a brother or sister, and I have been getting especially good at being a parent lately. I haven't even abandoned Pumpernickel like you said I would."

"That does not mean you can just adopt a child."

"I know. That's why I need you to get me the paperwork."

Nathalie sighed. "I'll try this from a different angle. Gabriel, you do know it takes months and sometimes years to adopt a child."

"That is...much longer than I was expecting. That will not do. Adrien and I are getting to old to wait that long. I need a child now."

"You do realize how creepy that sounds, don't you?"

So classic adoption was not an option. I thought about other ways to get a child.

My voice lowered. "Nathalie. Would you-"

She interrupted me. "I swear, if you are going to ask me to bear your new child, I am hanging up on you right now."

"No, I was going to ask you if you could look up the requirements to start an orphanage. But if that's an option..."

"No." And she hung up.

I was back to square one.

The more I got thinking, the more I realized that perhaps instead of a child, I should adopt a teenager. They were much easier to handle, and they would make a better companion for Adrien. Instead of officially adopting them, I could just take them under my wing, give them support, and welcome them into the Agreste family.

I thought about all the teenagers I could adopt. Adrien was already my son. I was not going to touch the urchin with a ten foot pole, much less make him family. That left the intern.

I was about to page her into my office and tell her the good news when Adrien walked in.

"Hello son," I said.

"Father, I came in to ask you— wait, are you wearing all black?"

"Yes."

"Why?"

I looked off into the distance. "You know."

"I know what?"

"You-Know-Who."

"Father?!" Adrien looked alarmed.

"You'll find out soon enough Dra-son" I coughed. "Never mind. I have excellent news to share with you."

"News?"

"Now, it is not official yet, as I still need to get permission. But, I believe I will get it with no issue. So it is practically official."

"Father, what's going on?"

"Adrien, the intern is going to be your new sister."

Adrien's face went white, his mouth opening and closing. "M-Marinette?! Sister?!" he sputtered out.

"Yes, the intern. That's what I said. She's going to be-"

"No, Father." Adrien interrupted me for the first time in his life. "Never ever say that again."

"Why not? It's going to be true soon. Marinette is going to be your sister."

Adrien looked like he was sweating, his face slowly turning a pale green. "You can't just adopt my— you can't just adopt any person you want!"

"I don't see why not. She's my best option for finding you a companion, as I worry about your social skills growing up as an only child. I decided that since I have been getting better at parenting, I would improve your social skills by finding you a sibling. And I found the intern!"

"Father, really, I'm fine. Seriously. I don't need a sibling, and I'm more than capable at finding myself a companion. Plus, Marinette's already got a loving family. You can't just go up and adopt her. That's not how it works! You can mentor her, yes. Adopt her, no."

"Drats," I muttered. Adrien looked to be a tad bit less green. "She would have made such a good daughter."

Adrien coughed, his face color steadily inching toward red. "Give it a few years, maybe you can still call her that."

I straightened up. "You mean I can adopt her then?"

"Close, Father, but adopting wasn't what I was suggesting."

I squinted at him. "Then what did you mean?"

Adrien sighed, "Nothing Father, nothing." Then he left without even asking me the question he had.