Summoning Arc/Web Novel Summary

Chapter 1: A Royal
Naofumi, a 20-year-old otaku, was on his way to a library when he starts explaining about himself and how his brother was in a successful and prestigious school due to the fact that he had turned him into an otaku. 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 its wake, in addition, it mentioned 4 heroes who 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.