"Hey! Harry!"
A familiar voice rang out, and Harry whipped around to look behind him.
A beaming Sirius Black stood in the aisle, spreading his arms toward him.
"Sirius!" Harry's eyes lit up, and he shouted in surprise and delight, practically jumping off the bench and throwing himself over to give Sirius Black a huge hug.
"How's this?" Sirius Black hugged him back hard and patted Harry on the back. "Surprised?"
"Of course!" Harry took half a step back and answered excitedly, but he could not help asking curiously, "Sirius, how come you're here?"
"I'm here for work!" Sirius Black grinned and raised a hand to point toward the wall. "Look! Remus is over there!"
Lupin stood by the wall with a team of wizards, gesturing back and forth at the Great Hall ceiling from time to time, as though planning something.
Sirius Black lowered his hand and casually straightened his sleeves. "That magic Vizet invented... the influence it might bring is still a little beyond what we expected."
"Analyzing why would probably be even duller than History of Magic class. In short, M will be responsible for recording the magical footage of this open class, and in the future it'll be sold together with the instruction manual for the Charm to Repel Weapons."
"All right!" He patted Harry on the shoulder and was about to turn away. "I just came over to say hello... If I don't get back to work, Remus will dock my pay in a minute!"
As the Ministry of Magic staff finished expanding the Great Hall, more and more people filled it.
Most of these people gathered in front of the Teachers' Table, talking and laughing loudly, making the place look extremely lively.
Harry sat back down with a smile all over his face,