Light Novel Paperback Size I became a dungeon master without telling the school. / Rinta Famitsu Bunko

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

鹿納 Yamato, a 17-year-old boy who goes to a training school with the aim of becoming a dungeon searcher. He is bullied by his classmates due to an incident and becomes a dropout. Yamato was about to give up his dream of becoming a dungeon searcher, but one day he discovers a dungeon in his parents' home in Urayama. Yamato, who was hiding in a dungeon by himself day after day in order to build his ability secretly, finally achieves a great achievement of an independent attack! Moreover, as a privilege, he became "DungEon Master" of Urayama dungeon --? The grand reverse dungeon attack fantasy challenged by the weakest searcher of the grade opens!