A magus who was deemed worthless by the heros party finds a magic book made by god. This book contains all the worlds information. Monsters weaknesses, quest locations, and the perfect date spots. Ch 16
Kouryakuhon o Kushi Suru Saikyou no Mahoutsukai ~< meirei sa sero > to wa Iwa Senai Oreryuu Mao Tobatsu Saizen Ruuto ~