Reborn in Another World to Teach the Protagonist

Not long after a pretty girl confessed to me, I got hit by a car. The worst part was that the driver did it on purpose. I thought I was done for, but I was reborn.

"What? System, you're saying the only boy in our class is the Child of Destiny?"

"Stealing his harem? No way. Not in this lifetime. I'll just be a teacher and make a living."