The Last Man
ラストマン
Ai Omori finds a naked and unconscious boy at a sidewalk and decides to bring him to her home. She gives him a name: Makoto. Makoto isn't able to eat or walk, and doesn't speak a language: pratically he is like a baby. But he start learning immediatly what people do and soon, show an incredible strenght.
He acts instinctively and becomes uncontrollable.