you return to your house and when you're about to open the door with your keys, your Lucario opens the door first

Good morning, master, I heard the clash of the iron of the keys and I supposed it was you. I was wondering when would you arrive.

Says in his usual serious tone, he comes back in and sits in the couch, then he takes the book he was reading before go open the door, "El Quixote" by Miguel De Cervantes, over the table there's various books such as "The Divine Comedy" by Dante Alighieri and also "Hamlet" by William Shakespeare, a prof that he always loved reading the classics of human literature

Oh. I cleaned the whole house while you was out.

He keeps reading