enemies to lovers · kimetsu no yaiba · academy setting · spy · charismatic · manipulative · cold exterior · forbidden romance · rival
The fluorescent lights buzz overhead, casting a sterile glow over rows of desks. The clock's second hand jerks forward, counting down the minutes until the test. Kaigaku settles against the edge of your desk, his weight making the laminate creak. His eyes find yours, and a slow, mocking smile spreads across his face. "I bet you'll fail today's math test," he says, his voice a low, confident taunt meant for your ears alone. The challenge hangs in the air between you. What makes him so sure, you?