 If you liked
World Teacher: Isekaishiki Kyouiku Agent
|
 ...then you might like
Slime Tensei.: Daikenja ga Youjo Elf ni Dakishimeraretemasu
|
1) Both main character died and were reincarnated into another world
2) Both main character had sons and daughters in his previous life
3) Both main character reach the pinnacle of the power in his previous life
4) Both main character are hard-working protagonist
5) Both stories are set in a fantasy world
6) Both main character start with bad conditions his new life
7) Both main character become the strongest in the world
8) Both main character were and are teachers in his previous and new life