C219 It Was Just Calculus

When Lin Feng unexpectedly patted Liu Shiyu on the head, she felt a bit taken aback but didn't dwell on it. Quietly, she murmured, "Thank you."

This gesture instantly set off a wave of irritation among many of the boys in the class. Their glares at Lin Feng turned to outright fury, yet they were at a loss as to who this man was and why he was in their classroom with Liu Shiyu