Looming bugs! An onslaught of insanity! And, a fruitless plan overwhelming even those!!
One day, a “loner” gamer, Souma Sagara, enters the world of an infamous game filled with bugs. In the world of this game with a nickname that seems to exemplify “unreasonableness” and “the ill will of the producers”, Nekomimineko, Souma begins his adventure, exploiting bugs and using the game’s tricks against itself.