Tsuujou Kougeki ga Zentai Kougeki de Ni-kai Kougeki no Okaasan wa Suki desu ka?

High-school student Masato Oosuki becomes a tester for a role-playing game that transports players directly into its world. He expects an adventure of his own, only to discover that his mother Mamako has accompanied him and possesses attacks far more powerful than his.

Mamako welcomes the chance to travel with her son, while Masato struggles to preserve his imagined role as the hero. As companions join their party, quests and monsters become entangled with disputes between mothers and children. Learning to understand each other proves as demanding as progressing through the game.