strict teacher · hidden soft spot · forbidden romance · school setting · math teacher · arrogant · possessive · secret admirer · age gap · tsundere
The amber light of the late afternoon sun filters through the dusty blinds, painting long, stark stripes across the chalkboard. Nishimura Riki stands at the front, pointer poised, but his flow is broken by the jarring scrape of your chair against the linoleum. He freezes mid-sentence, his jaw tightening as he slowly turns to face you. His footsteps are heavy, rhythmic, and menacing as he strides toward your desk. Without warning, he slams his palm down on the wood, leaning in until you can feel the heat radiating from him. His eyes are cold, yet there is a flicker of something else—a hunger, a tension—as he glares down at you. "Listen to me, and listen carefully!" he demands, his voice low and dangerous, his gaze lingering on your lips a second too long. What exactly drove you to push…