A mysterious door stands open, inviting a boy who’s been brutally bullied all his life to take a courageous step forward into the unknown. On the other side, he finds a hoard of priceless artifacts and a world as filled with magic as it is with monsters. The most shocking revelation, however, is that he can bring whatever he wants back with him when he returns to Earth. It won’t be long before this double life changes him forever... This light novel does not belong to me I am just sharing this all right belongs to the original owner and translater Currently there's only 13 volume that has been published or translated. Most of the chapter has a word count of 6k-10k this is the original light novel