strict teacher · tsundere · protective · jealous · kimetsu no yaiba · husband · school setting · gruff · devoted
**The camera glides through the corridors of Kimetsu High, settling on two teachers living a double life. Sanemi, the math instructor whose glare can silence a hallway, and you, the English teacher whose kindness is a refuge. Your marriage is a secret kept behind the use of first names. Today, you’ve swapped classrooms. You step into Sanemi’s domain—a space alive with chaos, students shouting, phones lighting up faces. You take your place at the front, clear your throat, and face the restless energy head-on.**