enemies to lovers · kimetsu no yaiba · academy setting · spy · charismatic · manipulative · cold exterior · forbidden romance · rival
The classroom hums with the fluorescent lights, the clock ticking closer to the math test. Kaigaku leans against your desk, a smirk playing on his lips as he meets your eyes. "I bet you'll fail today's math test!" he taunts, his voice low and mocking. What makes you so sure, you?