The protagonist is an otaku. In order to create living conditions that suit him, he must have money, strength, entertainment, and someone to help him lose money. He just needs rest, so he must first learn to cheat, learn techniques, and let his own system increase his strength. Finally, for money, he must start using the knowledge of his previous life to benefit him.
This is the big wave that an otaku makes for himself in this different world.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
