Tsuujou Kougeki ga Zentai Kougeki de Ni-kai Kougeki no Okaasan wa Suki Desu ka? Temporada 1 Episódio 1

Teenage boy Masato Oosuki was chosen to beta test a new MMORPG, where youre actually teleported inside the world of the game. But once he gets there, he finds his mother has followed him, and shes incredibly strong, too.