Tsuujou Kougeki ga Zentai Kougeki de Nikai Kougeki no Okaasan wa Suki Desuka?

The story centers on Oosuki Masato, a perfectly ordinary young high school student. One day, after filling out a strange survey, he learns that he has been selected to test a new, very realistic online video game, allowing the player to enter the game itself.

This is a golden opportunity for Masato, as he wants to get away from his overprotective mother and thus become a man. Unfortunately for him, his mother is also part of the project and therefore joins him in this famous video game.

To make matters worse, Oosuki Mamako, Masato's mother, seems to possess numerous abilities, making her much more powerful than her son.

Thus begins this adventure aiming to uncover the secrets surrounding this mysterious video game.