Light Chacer

Manjiro Sano, was a little boy, when he was born his parents didn't want him. He was sent to a adoption center. Luckily, he got adopted by a cute couple. But, everyone tought so. After it become miserable more & more. After 10 ten years, when he was 15 he got poisoned by Nanami, his step-sister. Then, the god of life give him another chance to live! Will he accept it? What will he do now..?