"Ding-dong-dong-dong~ Dun-dun-dun-dun~"
At nine in the morning, the class bell rang as usual.
The students had just finished their first activity of the day and hurried straight into the classroom.
"Haaah-mmph-"
Mu Mu sat one row ahead of Tong Hua, yawning nonstop and looking utterly exhausted.
He had heavy dark circles under his eyes and had nearly fainted during morning exercises.
"Junior fellow apprentice, how come-you don't seem sleepy at all-"
Tong Hua gently patted Mu Mu's shoulder and took a small bottle of Homemade Recovery Potion out of his bag.
Mu Mu forced his eyes open and accepted the Little Blue Bottle Tong Hua pressed into his hand.
"What's this?"
"Drink it and you'll find out. It's sweet and tastes pretty good."
Dubiously, Mu Mu pulled out the cork. Sure enough, a faint sweet scent drifted out.
Since Tong Hua had given it to him, he didn't hesitate much and brought it to his lips, taking small sips.
As the cool liquid slid down his throat, Mu Mu was surprised to find his fatigue rapidly fading. His dark circles gradually lightened, and his once-heavy eyelids felt light again.
"That's good! What exactly is this?"
Watching Mu Mu regain his energy, Tong Hua explained with a smile, "It's a potion I made myself. It restores stamina and eases fatigue."
"I didn't know you knew how to do that, too."
Mu Mu wanted to say more, but suddenly noticed Tong Hua's expression turn serious. He sat bolt upright, his gaze fixed on the lectern.
"Uh-"
The next second, a piece of chalk sliced through the air and struck Mu Mu squarely on the back of his head!
"Ow!"
"Mu Mu, come to the office after class!"
There was a measure of authority in Teacher Anli's calm voice, as though she were