Miraculous and The Flash crossover: Collision of Worlds. (Book 4)

Barry approaches the front gate to the Agreste Mansion.
He gazes up towards the large building, belonging to the most successful fashion designer in Paris. Apart from Audrey Bourgeois, of course.

Barry: Okay, Hawk Moth. Let's see what you're hiding.

He looks towards the buzzer near the gate, and presses the button.

(Bzzzzt.)

A compartment opens, and a security camera above the doorbell pops out. Barry flinches, as he wasn't expecting that to happen, but still maintains his serious demeanor. Nathalie's voice could be heard from the speaker on the wall.

Nathalie: "Can I help you?"

Barry: Yes, I'm looking for Mr. Gabriel Agreste, it's rather urgent. Who am I currently speaking with?

On the other end of the security camera, Gabriel hovers over Nathalie's shoulder. Observing the blonde teenager at the entrance of his house. He nods and Nathalie addresses the visitor.

Nathalie: My name is Nathalie Sancouer, Gabriel Agreste's secretary. And I'm afraid if you wish to speak with Mr. Agreste, you'll have to schedule an appointment with him.

*Barry (TB): (Sighs) "I don't have time for this."

Feeling rather annoyed, Barry reaches into his pocket, and flashes his badge at the security camera.

Barry: "I'm afraid I have some questions for your employer. So, could you please, let me inside?"

Nathalie becomes slightly unnerved at the sight of Barry showing that he was working with the authorities. She turns back to Gabriel, who just nods. Nathalie turns back to the screen.

Nathalie: Very well. Come right in.

She presses a button and the front gate opens.

(Creeeaaak!)

As the front gates open, Barry pockets his badge.

Barry: Thank you.

He enters the courtyard, and makes his way up to the front door.
Nathalie opens the door and lets him in.
She leads Barry into the foyer, Barry looks around the expansive area.

Nathalie: (Cough, Cough!) Excuse me. Mr. Agreste will be here shortly. Would you like a seat, while you wait?

Barry: That's alright. I think I'll stand.

Adrien exits the dining room, after finishing up his dinner. Surprised to find Barry visiting his house.

Adrien: Barry?! What're you doing here?

Barry: I'm afraid it's official business, Adrien.

Adrien: Official business that just happens to lead you to my house?

Barry: Adrien, I'm here investigating a lead, that's all you need to know.

Adrien: Barry-

Before Adrien could say anything else, Gabriel descends the stairs.

Gabriel: Adrien, go to your room, at once. This is none of your concern.

Adrien looks at his father, before turning his attention back to Barry.

Adrien: You're here to question my father, Barry? Is that this supposed, "lead," you're following up on?! I can't believe this!

Gabriel: (Sternly) Adrien, go!

Realizing it was pointless arguing with his father, Adrien begrudgingly complies.

Adrien: Yes, father.