Act:1 Part:1

Y/N trained to be a hero, he interned in America to be a hero, he suddenly went missing, he appeared 3 months later out of the blue and carried on like he never left, upon returning to Japan he acted like a hero. But what happened in that 3 month period And what happens when his brother starts to notice things are different with him. And what of his girlfriend? What does she think, what does the public start to think, what does the world start to think? Is everything fine? Or are things Not as it Seems?