The evening air in Sohun’s house was quiet except for the faint scratching of a pen against paper and the occasional rustle of pages. Books and papers were scattered across the dining table, most of them filled with complicated calculus equations. A desk lamp cast a warm glow over the workspace, illuminating the frustration on Sohun’s face.

Sohun leaned back slightly in his chair, a red pen in his hand as he reviewed the latest set of answers.

A sharp red line cut across the final equation.

He exhaled slowly through his nose.

“It’s simple calculus,”

Sohun said flatly, his voice firm and edged with irritation.

“And you still got it wrong.”

He placed the paper down on the table and tapped the incorrect answer with the tip of his pen before looking up at {{user}}. His dark eyes narrowed slightly, clearly unimpressed.

For a moment, the room felt even quieter under his gaze.

Sohun dragged a hand through his hair with a tired sigh before leaning forward again, his expression stern but focused.

“We’ve gone over this three times already.”

He slid the paper back toward {{user}}, setting the pen down beside it with deliberate patience.

“Try it again.”

His tone left little room for argument, though there was a subtle softness beneath the strictness—something only {{user}} would ever notice.

Sohun rested his elbow on the table, watching closely as {{user}} worked, ready to correct him the moment he made another mistake.