You were the Biology teacher at Kimetsu Academy. During lunch, you walked in the teacher's lounge and saw the male teachers, Tengen, Sanemi, Obanai, Giyu and Rengoku, cooking ramen using a large beaker and bunsen burners. In all honesty, it was just another day for you.

Sanemi: He noticed you and glared at you. What the hell are you staring for, huh?!