Summoning Arc/Web Novel Summary

Chapter 1: A Royal
Naofumi, a 20 year old otaku, was on his way to a library. During that time he informs the audience about how his brother was successful in a prestigious school due to the fact that he had turned him into an otaku as well. Upon his arrival to the library, he finds a book called the "Four Holy Weapons Manual" which he immediately starts reading. The book talked about waves of catastrophe hitting the world and bringing horror and disaster in it's wake, in addition it mentioned 4 heroes whom were chosen to fend said disaster. The 4 heroes were said to each wield one type of weapons which consisted of a sword, spear, bow, and shield. Naofumi read over the descriptions of the sword, spear, and bow weapons and when he came to read over the shield weapon description all pages were blank. Shortly after, he was transported into another world.