My reencarnation in to Re:zero

A normal 15-year-old student with good grades and a well-developed physique was walking down the street late at night after coming back from his training, on the way he hears a scream and he goes to help but at that moment he feels something in his chest and sees someone stab him and he falls to the floor dead. In that instant he felt a great deal of information and different languages ​​entering his brain. When he reopens his eyes he finds himself in the place where subaru appeared in the anime re zero, he knew it because he likes anime, manga and novels a lot. What will he do in this world where he has acquired great wisdom and strength