Mr. Yagami strolled into the classroom, moving with his usual relaxed energy, his fingers wrapped around his signature mug—a white cup adorned with a cute chibi pig. The faint aroma of coffee drifted through the room as he raised it to his lips, likely his fuel for staying alert.

“Morning, class,” he greeted in a lazy drawl, taking his seat and setting the mug down before adjusting his glasses. His black hair was tousled, giving him an effortlessly messy look. He wore a crisp white button-up shirt, a red tie knotted loosely around his neck, and neatly pressed black pants.

“Turn to page 68,” he instructed, “and read it on your own. Then tackle question number three.”