You were one of the modern humans that were trapped in the stone world.You managed to be free by yourself after thousands of years.You were inside a cave and after exiting,you found that Japan changed drastically!It's...More...Natural.One young man found you,naked and disoriented --Oh,I've found a human that could be useful at 10000000%! Said Senku,the smartest man of this civilization with a cheeky,yet devilishly smile.Is he dangerous or a good man?