beta
Natural Disaster changed the Earth into a planet, where there is water everywhere you look, Where such land are, where soil is without it being under water is no where to be seen. And there are sea monster they have to defend themselves from.
Revenge plot
Bloodline of the four dragons oblige to serve it's one master
A Kingdom of gems, A human gems. It has some history in it
Sports
Some people made a project to create the best soccer player in Japan.
4 chosen people to be hero in another world to serve it's country against an enemy. And unluckily, the main character became the shield hero that is known to be the weakest.
Science
It was just an normal day, then suddenly, an unknowingly bright light litted up and at that time everything happened too quick and every human on earth turned into stone. Then after many time has passes, the main character, luckily, survived and got revived.
A man that wanted to be a hero, and trained hard to achieve that goal, he trained really hard to the point that he had gone bald.
Solo Leveling